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Crouched tensely, 7th Inf. Div. soldiers fire a 37mm antitank gun at a Jap pillbox. 31 Jan 1944. Kwajalein Atoll

Crouched tensely, 7th Inf. Div. soldiers fire a 37mm antitank gun at a...

Photo by Cordray, USASC This record contains unverified, old data from caption card.

An atomic bomb is detonated underwater in the lagoon of Bikini Atoll, Harry S Truman National Historic Site, 1946.

An atomic bomb is detonated underwater in the lagoon of Bikini Atoll, ...

Tests to investigate the effect of nuclear weapons on warships, collectively called Operation Crossroads, was approved by President Truman in January 1946. Between 1946 and 1958, 23 nuclear devices were detonat... More

VANDENBERG AIR FORCE BASE, Calif. -- At Vandenberg Air Force Base in the early '80s, the Space Shuttle Enterprise undergoes Pathfinder fit checks at a tower. The Enterprise was built as a test vehicle and was not equipped for spaceflight. Enterprise eventually became the property of the Smithsonian Institution. Vandenberg AFB is located on the Central Coast of California about 150 miles northwest of Los Angeles. The property is comprised of parts of five Mexican land grants and a sixth grant that was transferred virtually intact to the Army. Vandenberg now is operated by the 30th Space Wing, and is the only military installation in the United States from which unmanned government and commercial satellites are launched into polar orbit. It is also the only site from which intercontinental ballistic missiles ICBMs are launched toward the Kwajalein Atoll to verify weapon systems performance. Vandenberg's military service dates back to 1941, when known as Camp Cooke it served as an Army training facility for armored and infantry troops. The main camp closed in June 1946 and was reactivated in August 1950 after the outbreak of the Korean War. The 13th and 20th Armored Divisions and the 40th, 44th, 86th, and 91st Infantry Divisions trained at Cooke. With the advent of the missile age in the 1950s, the Air Force persuaded Secretary of Defense Charles E. Wilson to direct the Army to transfer 64,000 acres of North Camp Cooke to the Air Force for use as a missile launch and training base. In 1958, Camp Cooke was renamed Vandenberg Air Force Base in honor of the late General Hoyt S. Vandenberg, second Air Force Chief of Staff of the United States Air Force and chief architect of today's modern Air Force. Photo Credit: NASA KSC-99PP-1051

VANDENBERG AIR FORCE BASE, Calif. -- At Vandenberg Air Force Base in t...

VANDENBERG AIR FORCE BASE, Calif. -- At Vandenberg Air Force Base in the early '80s, the Space Shuttle Enterprise undergoes Pathfinder fit checks at a tower. The Enterprise was built as a test vehicle and was n... More

On Kwajalein Atoll in the Marshall Islands, nobody

On Kwajalein Atoll in the Marshall Islands, nobody

On Kwajalein Atoll in the Marshall Islands, nobody has cars, so U.S. Army Corps of Engineers assessors drive bicycles to visit assets on the island. Fort Worth District Realty Specialist Wes Prater used this 19... More

A Minuteman III intercontinental ballistic missile (ICBM) is test fired from Vandenberg Air Force Base, California, to Kwajalein Atoll, Marshall Islands, during exercise Global Shield

A Minuteman III intercontinental ballistic missile (ICBM) is test fire...

The original finding aid described this photograph as: Subject Operation/Series: GLOBAL SHIELD Country: Unknown Scene Camera Operator: Unknown Release Status: Released to Public Combined Military Service Di... More

S05-37-825 - STS-005 - Earth observations taken during STS-5 mission

S05-37-825 - STS-005 - Earth observations taken during STS-5 mission

The original finding aid described this as: Description: Earth observations taken during the STS-5 mission from the space shuttle Columbia. Subject Terms: EARTH OBSERVATIONS (FROM SPACE), STS-5, COLUMBIA (ORB... More

Missile re-entries mark the sky with streaks of light above a station

Missile re-entries mark the sky with streaks of light above a station

The original finding aid described this photograph as: Base: Kwajalein Atoll Country: Marshall Islands (MHL) Scene Camera Operator: Unknown Release Status: Released to Public Combined Military Service Digit... More

S04-23-122 - STS-004 - Earth Observations

S04-23-122 - STS-004 - Earth Observations

The original finding aid described this as: Description: Earth Observations include: Marshall Islands, Kwajalein Atoll, Namu Atoll, Loe Atoll. Subject Terms: ONBOARD ACTIVITIES, EARTH OBSERVATIONS (FROM SPACE... More

S04-23-121 - STS-004 - Earth Observations

S04-23-121 - STS-004 - Earth Observations

The original finding aid described this as: Description: Earth Observations include: Marshall Islands, Loe Atoll, Kwajalein Atoll, Utae Atoll. Subject Terms: ONBOARD ACTIVITIES, EARTH OBSERVATIONS (FROM SPACE... More

S06-39-156 - STS-006 - Earth observations taken during STS-6 mission

S06-39-156 - STS-006 - Earth observations taken during STS-6 mission

The original finding aid described this as: Description: Earth observations taken during the STS-6 mission from the space shuttle Challenger includes: Single overall view of Kwajalein Atoll, Marshall Islands. ... More

A view of one of the U.S. Navy refueling piers, taken from the salvage ship USS BOLSTER (ARS-38)

A view of one of the U.S. Navy refueling piers, taken from the salvage...

The original finding aid described this photograph as: Base: Kwajalein Atoll Country: Marshall Islands (MHL) Scene Camera Operator: Cwo4 Walt Hamler, Usn Release Status: Released to Public Combined Military... More

41B-31-1185 - STS-41B - Earth observations taken from shuttle orbiter Challenger STS-41B mission

41B-31-1185 - STS-41B - Earth observations taken from shuttle orbiter ...

The original finding aid described this as: Description: Earth observations taken from shuttle orbiter Challenger STS-41B mission. Views include: Good view of Kwajalein Atoll, Marshall Islands (Individual port... More

41B-31-1184 - STS-41B - Earth observations taken from shuttle orbiter Challenger STS-41B mission

41B-31-1184 - STS-41B - Earth observations taken from shuttle orbiter ...

The original finding aid described this as: Description: Earth observations taken from shuttle orbiter Challenger STS-41B mission. Views include: Good view of Kwajalein Atoll, Marshall Islands (Individual port... More

41B-31-1186 - STS-41B - Earth observations taken from shuttle orbiter Challenger STS-41B mission

41B-31-1186 - STS-41B - Earth observations taken from shuttle orbiter ...

The original finding aid described this as: Description: Earth observations taken from shuttle orbiter Challenger STS-41B mission. Views include: Good view of Kwajalein Atoll, Marshall Islands (Individual port... More

A time exposure of 10 Peacekeeper (LGM-118A) intercontinental ballistic missile reentry vehicles approaching an open-ocean impact zone near Kwajalein Atoll during a flight test

A time exposure of 10 Peacekeeper (LGM-118A) intercontinental ballisti...

The original finding aid described this photograph as: Country: South Pacific Scene Camera Operator: Unknown Release Status: Released to Public Combined Military Service Digital Photographic Files

A view of the U.S. Army's headquarters building on Kwajalein Atoll

A view of the U.S. Army's headquarters building on Kwajalein Atoll

The original finding aid described this photograph as: Country: Marshall Islands (MHL) Scene Camera Operator: SSGT Ted Koniares, USAF Release Status: Released to Public Combined Military Service Digital Phot... More

S48-71-043 - STS-048 - Earth observations taken during the STS-48 mission

S48-71-043 - STS-048 - Earth observations taken during the STS-48 miss...

The original finding aid described this as: Description: Earth observations taken during the STS-48 mission from the space shuttle Discovery. Subject Terms: EARTH OBSERVATIONS (FROM SPACE), STS-48, DISCOVERY ... More

S48-104-042 - STS-048 - Color Infrared Earth observations taken during the STS-48 mission

S48-104-042 - STS-048 - Color Infrared Earth observations taken during...

The original finding aid described this as: Description: Color Infrared Earth observations taken during the STS-48 mission from the space shuttle Discovery. Subject Terms: EARTH OBSERVATIONS (FROM SPACE), STS... More

S48-83-051 - STS-048 - Earth observations taken during the STS-48 mission

S48-83-051 - STS-048 - Earth observations taken during the STS-48 miss...

The original finding aid described this as: Description: Earth observations taken during the STS-48 mission from the space shuttle Discovery. Subject Terms: EARTH OBSERVATIONS (FROM SPACE), STS-48, DISCOVERY ... More

STS050-101-069 - STS-050 - STS-50 earth observations

STS050-101-069 - STS-050 - STS-50 earth observations

The original finding aid described this as: Description: Photographic documentation showing STS-50 earth observations. Subject Terms: EARTH OBSERVATIONS (FROM SPACE), STS-50, COLUMBIA (ORBITER) Date Taken: 7... More

STS055-80-089 - STS-055 - Earth observations taken during STS-55 mission

STS055-80-089 - STS-055 - Earth observations taken during STS-55 missi...

The original finding aid described this as: Description: Earth observations taken during the STS-55 mission from the space shuttle Columbia. Subject Terms: EARTH OBSERVATIONS (FROM SPACE), STS-55, COLUMBIA (O... More

STS055-78-098 - STS-055 - Earth observations taken during STS-55 mission

STS055-78-098 - STS-055 - Earth observations taken during STS-55 missi...

The original finding aid described this as: Description: Earth observations taken during the STS-55 mission from the space shuttle Columbia. Subject Terms: EARTH OBSERVATIONS (FROM SPACE), STS-55, COLUMBIA (O... More

STS055-80-088 - STS-055 - Earth observations taken during STS-55 mission

STS055-80-088 - STS-055 - Earth observations taken during STS-55 missi...

The original finding aid described this as: Description: Earth observations taken during the STS-55 mission from the space shuttle Columbia. Subject Terms: EARTH OBSERVATIONS (FROM SPACE), STS-55, COLUMBIA (O... More

STS055-80-087 - STS-055 - Earth observations taken during STS-55 mission

STS055-80-087 - STS-055 - Earth observations taken during STS-55 missi...

The original finding aid described this as: Description: Earth observations taken during the STS-55 mission from the space shuttle Columbia. Subject Terms: EARTH OBSERVATIONS (FROM SPACE), STS-55, COLUMBIA (O... More

STS068-217-040 - STS-068 - Earth observations during STS-68 mission

STS068-217-040 - STS-068 - Earth observations during STS-68 mission

The original finding aid described this as: Description: The Earth, viewed from the Orbiter Endeavour during STS-68. Subject Terms: STS-68 EARTH OBSERVATIONS (FROM SPACE) Date Taken: 10/6/1998 Categories: ... More

STS080-755-085 - STS-080 - Earth observations taken from Space Shuttle Columbia during STS-80 mission

STS080-755-085 - STS-080 - Earth observations taken from Space Shuttle...

The original finding aid described this as: Description: Earth observation views taken from Space Shuttle Columbia during STS-80 mission. Subject Terms: STS-80,COLUMBIA (ORBITER),EARTH OBSERVATIONS (FROM SPAC... More

STS075-710-024 - STS-075 - Earth observations taken during STS-75 mission

STS075-710-024 - STS-075 - Earth observations taken during STS-75 miss...

The original finding aid described this as: Description: Earth observations taken during the STS-75 mission from the space shuttle Columbia. Subject Terms: EARTH OBSERVATIONS (FROM SPACE), STS-75, COLUMBIA (O... More

STS103-730-063 - STS-103 - Earth observations taken during the STS-103 mission

STS103-730-063 - STS-103 - Earth observations taken during the STS-103...

The original finding aid described this as: Description: Earth observations taken during the STS-103 mission from the space shuttle Discovery. Subject Terms: EARTH OBSERVATIONS (FROM SPACE), STS-103 Date Tak... More

STS103-730-064 - STS-103 - Earth observations taken during the STS-103 mission

STS103-730-064 - STS-103 - Earth observations taken during the STS-103...

The original finding aid described this as: Description: Earth observations taken during the STS-103 mission from the space shuttle Discovery. Subject Terms: EARTH OBSERVATIONS (FROM SPACE), STS-103 Date Tak... More

Bill Mancke, a World War II Marine Corps veteran, stands

Bill Mancke, a World War II Marine Corps veteran, stands

Bill Mancke, a World War II Marine Corps veteran, stands in front of the U.S. Marine Corps Forces, Pacific, headquarters building at Camp H.M. Smith, Hawaii, Feb. 2, 2016. Mancke was hospitalized in the buildin... More

Vandenberg Air Force Base, Calif. – At Vandenberg Air Force Base in California, NASA’s Interstellar Boundary Explorer, or IBEX, is covered with protective material for a move to the stand in the foreground. The overhead crane will be attached to make the move. Designed to detect the edge of the Solar System, the IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. Photo credit: NASA/Mark Mackley, VAFB KSC-08pd3038

Vandenberg Air Force Base, Calif. – At Vandenberg Air Force Base in C...

Vandenberg Air Force Base, Calif. – At Vandenberg Air Force Base in California, NASA’s Interstellar Boundary Explorer, or IBEX, is covered with protective material for a move to the stand in the foreground. Th... More

Vandenberg Air Force Base, Calif. – At Vandenberg Air Force Base in California, NASA’s Interstellar Boundary Explorer, or IBEX, waits to be covered so it can be moved to another facility for mating with the Pegasus XL rocket. Designed to detect the edge of the Solar System, the IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. Photo credit: NASA/Mark Mackley, VAFB KSC-08pd3037

Vandenberg Air Force Base, Calif. – At Vandenberg Air Force Base in C...

Vandenberg Air Force Base, Calif. – At Vandenberg Air Force Base in California, NASA’s Interstellar Boundary Explorer, or IBEX, waits to be covered so it can be moved to another facility for mating with the Pe... More

VANDENBERG AIR FORCE BASE, Calif. – The Interstellar Boundary Explorer, or IBEX, spacecraft is driven from the Astrotech building in an environmentally controlled container to Hangar 1555 on Vandenberg Air Force Base in California. In the hangar, IBEX will be mated with the Pegasus XL rocket for launch. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Dan Liberotti, VAFB KSC-08pd3064

VANDENBERG AIR FORCE BASE, Calif. – The Interstellar Boundary Explorer...

VANDENBERG AIR FORCE BASE, Calif. – The Interstellar Boundary Explorer, or IBEX, spacecraft is driven from the Astrotech building in an environmentally controlled container to Hangar 1555 on Vandenberg Air Forc... More

VANDENBERG AIR FORCE BASE, Calif. – The Interstellar Boundary Explorer, or IBEX, spacecraft leaves the Astrotech building to head for Hangar 1555 on Vandenberg Air Force Base in California. In the hangar, IBEX will be mated with the Pegasus XL rocket for launch. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Dan Liberotti, VAFB KSC-08pd3063

VANDENBERG AIR FORCE BASE, Calif. – The Interstellar Boundary Explorer...

VANDENBERG AIR FORCE BASE, Calif. – The Interstellar Boundary Explorer, or IBEX, spacecraft leaves the Astrotech building to head for Hangar 1555 on Vandenberg Air Force Base in California. In the hangar, IBEX... More

VANDENBERG AIR FORCE BASE, Calif. – The cover of the environmentally controlled container is lifted off NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft after its arrival at Hangar 1555 on Vandenberg Air Force Base in California. In the hangar, IBEX will be mated with the Pegasus XL rocket for launch. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Dan Liberotti, VAFB KSC-08pd3065

VANDENBERG AIR FORCE BASE, Calif. – The cover of the environmentally ...

VANDENBERG AIR FORCE BASE, Calif. – The cover of the environmentally controlled container is lifted off NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft after its arrival at Hangar 1555 on Vandenber... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, a crane lowers NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft onto a moveable stand. In the hangar, IBEX will be mated with the Pegasus XL rocket for launch. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Dan Liberotti, VAFB KSC-08pd3066

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air ...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, a crane lowers NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft onto a moveable stand. In the hangar, I... More

Vandenberg Air Force Base, Calif. – At Vandenberg Air Force Base, the Pegasus XL aircraft (left) is ready for mating to NASA's Interstellar Boundary Explorer, or IBEX, spacecraft and upper stage booster (right). The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. Photo credit: NASA/D. Kolkow, VAFB KSC-08pd3018

Vandenberg Air Force Base, Calif. – At Vandenberg Air Force Base, the...

Vandenberg Air Force Base, Calif. – At Vandenberg Air Force Base, the Pegasus XL aircraft (left) is ready for mating to NASA's Interstellar Boundary Explorer, or IBEX, spacecraft and upper stage booster (right... More

Vandenberg Air Force Base, Calif. – At Vandenberg Air Force Base, workers prepare to move NASA's Interstellar Boundary Explorer, or IBEX, spacecraft and upper stage booster (right) to mate it with the Pegasus XL aircraft (left). The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is the first mission designed to detect the edge of the Solar System. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. Photo credit: NASA/D. Kolkow, VAFB KSC-08pd3019

Vandenberg Air Force Base, Calif. – At Vandenberg Air Force Base, wor...

Vandenberg Air Force Base, Calif. – At Vandenberg Air Force Base, workers prepare to move NASA's Interstellar Boundary Explorer, or IBEX, spacecraft and upper stage booster (right) to mate it with the Pegasus ... More

Vandenberg Air Force Base, Calif. – On Vandenberg Air Force Base in California, one half of a fairing is moved into a protected clean room tent where it will be installed around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The fairing is a molded structure that fits flush with the outside surface of the rocket and forms an aerodynamically smooth nose cone, protecting the spacecraft during launch and ascent. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard a Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3021

Vandenberg Air Force Base, Calif. – On Vandenberg Air Force Base in ...

Vandenberg Air Force Base, Calif. – On Vandenberg Air Force Base in California, one half of a fairing is moved into a protected clean room tent where it will be installed around NASA’s Interstellar Boundary E... More

VANDENBERG AIR FORCE BASE , Calif. – On Vandenberg Air Force Base in California, one half of a fairing is being moved to a protected clean room tent where it will be installed around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The fairing is a molded structure that fits flush with the outside surface of the rocket and forms an aerodynamically smooth nose cone, protecting the spacecraft during launch and ascent. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard a Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3020

VANDENBERG AIR FORCE BASE , Calif. – On Vandenberg Air Force Base in...

VANDENBERG AIR FORCE BASE , Calif. – On Vandenberg Air Force Base in California, one half of a fairing is being moved to a protected clean room tent where it will be installed around NASA’s Interstellar Bound... More

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, workers install the fairing around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The fairing is a molded structure that fits flush with the outside surface of the rocket and forms an aerodynamically smooth nose cone, protecting the spacecraft during launch and ascent. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard a Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3023

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room te...

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, workers install the fairing around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft... More

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, the second half of the fairing is ready for installation around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The fairing is a molded structure that fits flush with the outside surface of the rocket and forms an aerodynamically smooth nose cone, protecting the spacecraft during launch and ascent. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard a Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3026

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room ten...

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, the second half of the fairing is ready for installation around NASA’s Interstellar Boundary E... More

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, the second half of the fairing is ready for installation around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The fairing is a molded structure that fits flush with the outside surface of the rocket and forms an aerodynamically smooth nose cone, protecting the spacecraft during launch and ascent. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard a Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3025

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room te...

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, the second half of the fairing is ready for installation around NASA’s Interstellar Boundary ... More

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, workers install the fairing around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The fairing is a molded structure that fits flush with the outside surface of the rocket and forms an aerodynamically smooth nose cone, protecting the spacecraft during launch and ascent. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard a Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3022

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room te...

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, workers install the fairing around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft... More

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, a worker (right) examines part of the second half of the fairing to be installed around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The fairing is a molded structure that fits flush with the outside surface of the rocket and forms an aerodynamically smooth nose cone, protecting the spacecraft during launch and ascent. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard a Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3027

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room te...

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, a worker (right) examines part of the second half of the fairing to be installed around NASA’... More

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, workers install the fairing around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The fairing is a molded structure that fits flush with the outside surface of the rocket and forms an aerodynamically smooth nose cone, protecting the spacecraft during launch and ascent. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard a Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3024

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room ten...

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, workers install the fairing around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft.... More

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, both halves of the fairing have been installed around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The fairing is a molded structure that fits flush with the outside surface of the rocket and forms an aerodynamically smooth nose cone, protecting the spacecraft during launch and ascent. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard a Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3028

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room te...

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, both halves of the fairing have been installed around NASA’s Interstellar Boundary Explorer, ... More

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, workers make adjustments before installing the fairing around NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The fairing is a molded structure that fits flush with the outside surface of the rocket and forms an aerodynamically smooth nose cone, protecting the spacecraft during launch and ascent. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard a Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3024A

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room te...

VANDENBERG AIR FORCE BASE, Calif. – Inside a protected clean room tent on Vandenberg Air Force Base in California, workers make adjustments before installing the fairing around NASA’s Interstellar Boundary Ex... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL rocket on its transporter for a trip to the runway. There, the rocket-spacecraft will be attached to the L-1011 aircraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3069

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air ...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL roc... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL rocket on its transporter for a trip to the runway. There, the rocket-spacecraft will be attached to the L-1011 aircraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3071

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air ...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL roc... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL rocket on its transporter for a trip to the runway. There, the rocket-spacecraft will be attached to the L-1011 aircraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3073

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air ...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL roc... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL rocket on its transporter for a trip to the runway. There, the rocket-spacecraft will be attached to the L-1011 aircraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3070

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air ...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL roc... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL rocket on its transporter for a trip to the runway. There, the rocket-spacecraft will be attached to the L-1011 aircraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3072

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air ...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL roc... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL rocket on its transporter for a trip to the runway. There, the rocket-spacecraft will be attached to the L-1011 aircraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3068

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air ...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL roc... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL rocket on its transporter for a trip to the runway. There, the rocket-spacecraft will be attached to the L-1011 aircraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3074

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air ...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL roc... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL rocket on its transporter for a trip to the runway. There, the rocket-spacecraft will be attached to the L-1011 aircraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3067

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air ...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and attached Pegasus XL roc... More

VANDENBERG AIR FORCE BASE, Calif. – On the runway of Vandenberg Air Force Base in California, Orbital Sciences’ L-1011 aircraft waits for the arrival of NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and Pegasus XL rocket. The Pegasus will be attached to the aircraft for launch. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3076

VANDENBERG AIR FORCE BASE, Calif. – On the runway of Vandenberg Air F...

VANDENBERG AIR FORCE BASE, Calif. – On the runway of Vandenberg Air Force Base in California, Orbital Sciences’ L-1011 aircraft waits for the arrival of NASA’s Interstellar Boundary Explorer, or IBEX, spacecra... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, a worker paints the name “Mercator” on the nose of the Pegasus XL rocket. The rocket is the launch vehicle for NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. The name Mercator was chosen in honor of Gerardus Mercator, the Flemish cartographer (or map maker). In addition to the many maps that he made, he also invented a technique to create terrestrial and celestial globes out of paper mache, allowing for greater production than the carved wooden or brass globes that were previously used. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/R. Bledsoe, VAFB KSC-08pd3100

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, a worker paints the name “Mercator” on the nose of the Pegasus XL rocket. The rocket is the launch vehicle for N... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, a worker begins painting the name “Mercator” on the nose of the Pegasus XL rocket. The rocket is the launch vehicle for NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. The name Mercator was chosen in honor of Gerardus Mercator, the Flemish cartographer (or map maker). In addition to the many maps that he made, he also invented a technique to create terrestrial and celestial globes out of paper mache, allowing for greater production than the carved wooden or brass globes that were previously used. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/R. Bledsoe, VAFB KSC-08pd3099

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Ai...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, a worker begins painting the name “Mercator” on the nose of the Pegasus XL rocket. The rocket is the launch veh... More

VANDENBERG AIR FORCE BASE, Calif. – The name “Mercator” is boldly displayed on the nose of the Pegasus XL rocket. The rocket is the launch vehicle for NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. The name Mercator was chosen in honor of Gerardus Mercator, the Flemish cartographer (or map maker). In addition to the many maps that he made, he also invented a technique to create terrestrial and celestial globes out of paper mache, allowing for greater production than the carved wooden or brass globes that were previously used. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/R. Bledsoe, VAFB KSC-08pd3102

VANDENBERG AIR FORCE BASE, Calif. – The name “Mercator” is boldly dis...

VANDENBERG AIR FORCE BASE, Calif. – The name “Mercator” is boldly displayed on the nose of the Pegasus XL rocket. The rocket is the launch vehicle for NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft... More

VANDENBERG AIR FORCE BASE, Calif. – In On the runway of Vandenberg Air Force Base in California, Orbital Sciences’ L-1011 aircraft waits for the arrival of NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and Pegasus XL rocket. The Pegasus will be attached to the aircraft for launch. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19 aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3075

VANDENBERG AIR FORCE BASE, Calif. – In On the runway of Vandenberg A...

VANDENBERG AIR FORCE BASE, Calif. – In On the runway of Vandenberg Air Force Base in California, Orbital Sciences’ L-1011 aircraft waits for the arrival of NASA’s Interstellar Boundary Explorer, or IBEX, spac... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, the name “Mercator” is displayed on the nose of the Pegasus XL rocket. The rocket is the launch vehicle for NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. The name Mercator was chosen in honor of Gerardus Mercator, the Flemish cartographer (or map maker). In addition to the many maps that he made, he also invented a technique to create terrestrial and celestial globes out of paper mache, allowing for greater production than the carved wooden or brass globes that were previously used. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/R. Bledsoe, VAFB KSC-08pd3103

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air ...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, the name “Mercator” is displayed on the nose of the Pegasus XL rocket. The rocket is the launch vehicle for NASA’s... More

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, a worker paints the name “Mercator” on the nose of the Pegasus XL rocket. The rocket is the launch vehicle for NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. The name Mercator was chosen in honor of Gerardus Mercator, the Flemish cartographer (or map maker). In addition to the many maps that he made, he also invented a technique to create terrestrial and celestial globes out of paper mache, allowing for greater production than the carved wooden or brass globes that were previously used. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of an L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/R. Bledsoe, VAFB KSC-08pd3101

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Ai...

VANDENBERG AIR FORCE BASE, Calif. – In Hangar 1555 on Vandenberg Air Force Base in California, a worker paints the name “Mercator” on the nose of the Pegasus XL rocket. The rocket is the launch vehicle for ... More

VANDENBERG AIR FORCE BASE, Fla. -- In Hangar 1555, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and mated Pegasus XL rocket on its transporter for a trip to the ramp on Vandenberg Air Force Base in California. There, the rocket-spacecraft will be attached to the L-1011 aircraft. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of the L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. Photo credit: NASA/Mark Mackley, VAFB KSC-08pd3104

VANDENBERG AIR FORCE BASE, Fla. -- In Hangar 1555, work is under way p...

VANDENBERG AIR FORCE BASE, Fla. -- In Hangar 1555, work is under way preparing NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and mated Pegasus XL rocket on its transporter for a trip to the ramp on... More

VANDENBERG AIR FORCE BASE, Fla. -- A closeup of Orbital Sciences’ Pegasus XL rocket for NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft as it is enroute to the ramp on Vandenberg Air Force Base in California. There, the rocket will be attached to Orbital Sciences’ L-1011 aircraft for launch. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of the L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. Photo credit: NASA/Mark Mackley, VAFB KSC-08pd3108

VANDENBERG AIR FORCE BASE, Fla. -- A closeup of Orbital Sciences’ Peg...

VANDENBERG AIR FORCE BASE, Fla. -- A closeup of Orbital Sciences’ Pegasus XL rocket for NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft as it is enroute to the ramp on Vandenberg Air Force Base in C... More

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and mated Pegasus XL rocket leave Hangar 1555 on a transporter to head for the ramp on Vandenberg Air Force Base in California. There, the rocket will be attached to Orbital Sciences’ L-1011 aircraft for launch. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of the L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. Photo credit: NASA/Mark Mackley, VAFB KSC-08pd3106

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explo...

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and mated Pegasus XL rocket leave Hangar 1555 on a transporter to head for the ramp on Vandenberg Air Force Base in... More

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and mated Pegasus XL rocket are being attached to Orbital Sciences’ L-1011 aircraft for launch. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of the L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. Photo credit: NASA/Mark Mackley, VAFB KSC-08pd3111

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explor...

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and mated Pegasus XL rocket are being attached to Orbital Sciences’ L-1011 aircraft for launch. IBEX is targeted fo... More

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and mated Pegasus XL rocket are being attached to Orbital Sciences’ L-1011 aircraft for launch. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of the L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. Photo credit: NASA/Mark Mackley, VAFB KSC-08pd3110

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explor...

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and mated Pegasus XL rocket are being attached to Orbital Sciences’ L-1011 aircraft for launch. IBEX is targeted for... More

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and mated Pegasus XL rocket are being attached to Orbital Sciences’ L-1011 aircraft for launch. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of the L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. Photo credit: NASA/Mark Mackley, VAFB KSC-08pd3112

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explor...

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and mated Pegasus XL rocket are being attached to Orbital Sciences’ L-1011 aircraft for launch. IBEX is targeted fo... More

VANDENBERG AIR FORCE BASE, Fla. -- On the ramp on Vandenberg Air Force Base in California, the Orbital Sciences’ L-1011 aircraft is being prepared to receive the Pegasus XL rocket and NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of the L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. Photo credit: NASA/Mark Mackley, VAFB KSC-08pd3105

VANDENBERG AIR FORCE BASE, Fla. -- On the ramp on Vandenberg Air Force...

VANDENBERG AIR FORCE BASE, Fla. -- On the ramp on Vandenberg Air Force Base in California, the Orbital Sciences’ L-1011 aircraft is being prepared to receive the Pegasus XL rocket and NASA’s Interstellar Bounda... More

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and mated Pegasus XL rocket are transported to the ramp on Vandenberg Air Force Base in California. There, the rocket will be attached to Orbital Sciences’ L-1011 aircraft for launch. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of the L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. Photo credit: NASA/Mark Mackley, VAFB KSC-08pd3107

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explo...

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and mated Pegasus XL rocket are transported to the ramp on Vandenberg Air Force Base in California. There, the roc... More

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and mated Pegasus XL rocket are being attached to Orbital Sciences’ L-1011 aircraft for launch. IBEX is targeted for launch from the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, on Oct. 19. IBEX will be launched aboard the Pegasus rocket dropped from under the wing of the L-1011 aircraft flying over the Pacific Ocean. The Pegasus will carry the spacecraft approximately 130 miles above Earth and place it in orbit. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. Photo credit: NASA/Mark Mackley, VAFB KSC-08pd3109

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explor...

VANDENBERG AIR FORCE BASE, Fla. -- NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and mated Pegasus XL rocket are being attached to Orbital Sciences’ L-1011 aircraft for launch. IBEX is targeted for... More

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Force Base in California, a Boeing 737 aircraft waits to accompany Orbital Sciences’ L-1011 aircraft when it takes off with NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and Pegasus XL rocket. The L-1011 will head for the Reagan Test Site at Kwajalein Atoll in the South Pacific. The 737 will fly ahead of the L-1011 as a pathfinder. Launch vehicle engineers are aboard in the unlikely event their expertise is needed. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX is targeted for launch Oct. 19. The Pegasus rocket will be dropped from under the wing of the L-1011 over the Pacific Ocean to carry the spacecraft approximately 130 miles above Earth and place it in orbit. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3078

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air For...

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Force Base in California, a Boeing 737 aircraft waits to accompany Orbital Sciences’ L-1011 aircraft when it takes off with NASA’s Interstellar... More

VANDENBERG AIR FORCE BASE, Calif. – Orbital Sciences’ L-1011 aircraft begins to taxi for takeoff from Vandenberg Air Force Base in California to the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean. Under its wing is NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and Pegasus XL rocket. Departing from Kwajalein, the Pegasus rocket will be dropped from under the wing of the L-1011 over the Pacific Ocean to carry the spacecraft approximately 130 miles above Earth and place it in orbit. Then, the spacecraft’s own engine will boost it to its final high-altitude orbit (about 200,000 miles high) — most of the way to the Moon. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX science will be led by the Southwest Research Institute of San Antonio, Texas. IBEX is targeted for launch over the Pacific Oct. 19. Photo credit: NASA/CIV USAF/Daniel Liberotti KSC-08pd3148

VANDENBERG AIR FORCE BASE, Calif. – Orbital Sciences’ L-1011 aircraft...

VANDENBERG AIR FORCE BASE, Calif. – Orbital Sciences’ L-1011 aircraft begins to taxi for takeoff from Vandenberg Air Force Base in California to the Kwajalein Atoll, a part of the Marshall Islands in the Pacif... More

VANDENBERG AIR FORCE BASE, Calif. – Orbital Sciences’ L-1011 aircraft begins rolling for takeoff from Vandenberg Air Force Base in California to the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean. Under its wing is NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and Pegasus XL rocket. Departing from Kwajalein, the Pegasus rocket will be dropped from under the wing of the L-1011 over the Pacific Ocean to carry the spacecraft approximately 130 miles above Earth and place it in orbit. Then, the spacecraft’s own engine will boost it to its final high-altitude orbit (about 200,000 miles high) — most of the way to the Moon. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX science will be led by the Southwest Research Institute of San Antonio, Texas. IBEX is targeted for launch over the Pacific Oct. 19. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3138

VANDENBERG AIR FORCE BASE, Calif. – Orbital Sciences’ L-1011 aircraft...

VANDENBERG AIR FORCE BASE, Calif. – Orbital Sciences’ L-1011 aircraft begins rolling for takeoff from Vandenberg Air Force Base in California to the Kwajalein Atoll, a part of the Marshall Islands in the Pacif... More

VANDENBERG AIR FORCE BASE, Calif. – Orbital Sciences’ L-1011 aircraft takes off from Vandenberg Air Force Base in California for the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean. Under its wing is NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and Pegasus XL rocket. Departing from Kwajalein, the Pegasus rocket will be dropped from under the wing of the L-1011 over the Pacific Ocean to carry the spacecraft approximately 130 miles above Earth and place it in orbit. Then, the spacecraft’s own engine will boost it to its final high-altitude orbit (about 200,000 miles high) — most of the way to the Moon. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX science will be led by the Southwest Research Institute of San Antonio, Texas. IBEX is targeted for launch over the Pacific Oct. 19. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3141

VANDENBERG AIR FORCE BASE, Calif. – Orbital Sciences’ L-1011 aircraft...

VANDENBERG AIR FORCE BASE, Calif. – Orbital Sciences’ L-1011 aircraft takes off from Vandenberg Air Force Base in California for the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean. Under... More

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Force Base in California, workers make final checks of the Pegasus XL rocket before departure for the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean. Mated to NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft, the Pegasus is attached under the wing of the aircraft for launch. Departing from Kwajalein, the Pegasus rocket will be dropped from under the wing of the L-1011 over the Pacific Ocean to carry the spacecraft approximately 130 miles above Earth and place it in orbit. Then, the spacecraft’s own engine will boost it to its final high-altitude orbit (about 200,000 miles high) — most of the way to the Moon. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX science will be led by the Southwest Research Institute of San Antonio, Texas. IBEX is targeted for launch over the Pacific Oct. 19. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3135

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Forc...

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Force Base in California, workers make final checks of the Pegasus XL rocket before departure for the Kwajalein Atoll, a part of the Marshall Is... More

VANDENBERG AIR FORCE BASE, Calif. – Orbital Sciences’ L-1011 aircraft takes off from Vandenberg Air Force Base in California for the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean. Under its wing is NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and Pegasus XL rocket. Departing from Kwajalein, the Pegasus rocket will be dropped from under the wing of the L-1011 over the Pacific Ocean to carry the spacecraft approximately 130 miles above Earth and place it in orbit. Then, the spacecraft’s own engine will boost it to its final high-altitude orbit (about 200,000 miles high) — most of the way to the Moon. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX science will be led by the Southwest Research Institute of San Antonio, Texas. IBEX is targeted for launch over the Pacific Oct. 19. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3151

VANDENBERG AIR FORCE BASE, Calif. – Orbital Sciences’ L-1011 aircraft...

VANDENBERG AIR FORCE BASE, Calif. – Orbital Sciences’ L-1011 aircraft takes off from Vandenberg Air Force Base in California for the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean. Under... More

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Force Base in California, Orbital Sciences’ L-1011 aircraft awaits departure for the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, with NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and Pegasus XL rocket. The Pegasus is attached under the wing of the aircraft for launch. Departing from Kwajalein, the Pegasus rocket will be dropped from under the wing of the L-1011 over the Pacific Ocean to carry the spacecraft approximately 130 miles above Earth and place it in orbit. Then, the spacecraft’s own engine will boost it to its final high-altitude orbit (about 200,000 miles high) — most of the way to the Moon. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX science will be led by the Southwest Research Institute of San Antonio, Texas. IBEX is targeted for launch over the Pacific Oct. 19. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3136

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Forc...

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Force Base in California, Orbital Sciences’ L-1011 aircraft awaits departure for the Kwajalein Atoll, a part of the Marshall Islands in the Paci... More

VANDENBERG AIR FORCE BASE, Calif. – On the runway of Vandenberg Air Force Base in California, a Pathfinder aircraft taxis down the runway for takeoff. The Pathfinder will accompany Orbital Sciences’ L-1011 aircraft carrying NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and Pegasus XL rocket on its flight to the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean. The Pathfinder will carry the contingency crew and launch team members. Departing from Kwajalein, the Pegasus rocket will be dropped from under the wing of the L-1011 over the Pacific Ocean to carry the spacecraft approximately 130 miles above Earth and place it in orbit. Then, the spacecraft’s own engine will boost it to its final high-altitude orbit (about 200,000 miles high) — most of the way to the Moon. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX science will be led by the Southwest Research Institute of San Antonio, Texas. IBEX is targeted for launch over the Pacific Oct. 19. Photo credit: NASA/CIV USAF/Daniel Liberotti KSC-08pd3147

VANDENBERG AIR FORCE BASE, Calif. – On the runway of Vandenberg Air F...

VANDENBERG AIR FORCE BASE, Calif. – On the runway of Vandenberg Air Force Base in California, a Pathfinder aircraft taxis down the runway for takeoff. The Pathfinder will accompany Orbital Sciences’ L-1011 ai... More

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Force Base in California, Orbital Sciences’ L-1011 aircraft awaits departure for the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, with NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and Pegasus XL rocket. The Pegasus is attached under the wing of the aircraft for launch. In the background at right is the Pathfinder aircraft that will accompany the L-1011 with a contingency crew and launch team members. Departing from Kwajalein, the Pegasus rocket will be dropped from under the wing of the L-1011 over the Pacific Ocean to carry the spacecraft approximately 130 miles above Earth and place it in orbit. Then, the spacecraft’s own engine will boost it to its final high-altitude orbit (about 200,000 miles high) — most of the way to the Moon. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX science will be led by the Southwest Research Institute of San Antonio, Texas. IBEX is targeted for launch over the Pacific Oct. 19. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3137

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Forc...

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Force Base in California, Orbital Sciences’ L-1011 aircraft awaits departure for the Kwajalein Atoll, a part of the Marshall Islands in the Paci... More

VANDENBERG AIR FORCE BASE, Calif. – From the runway of Vandenberg Air Force Base in California, a Pathfinder aircraft takes off. The Pathfinder will accompany Orbital Sciences’ L-1011 aircraft carrying NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and Pegasus XL rocket on its flight to the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean. The Pathfinder will carry the contingency crew and launch team members. Departing from Kwajalein, the Pegasus rocket will be dropped from under the wing of the L-1011 over the Pacific Ocean to carry the spacecraft approximately 130 miles above Earth and place it in orbit. Then, the spacecraft’s own engine will boost it to its final high-altitude orbit (about 200,000 miles high) — most of the way to the Moon. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX science will be led by the Southwest Research Institute of San Antonio, Texas. IBEX is targeted for launch over the Pacific Oct. 19. Photo credit: NASA/CIV USAF/Daniel Liberotti KSC-08pd3150

VANDENBERG AIR FORCE BASE, Calif. – From the runway of Vandenberg Air...

VANDENBERG AIR FORCE BASE, Calif. – From the runway of Vandenberg Air Force Base in California, a Pathfinder aircraft takes off. The Pathfinder will accompany Orbital Sciences’ L-1011 aircraft carrying NASA’s ... More

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Force Base in California, Orbital Sciences’ L-1011 aircraft awaits departure for the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, with NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and Pegasus XL rocket. The Pegasus is attached under the wing of the aircraft for launch. Departing from Kwajalein, the Pegasus rocket will be dropped from under the wing of the L-1011 over the Pacific Ocean to carry the spacecraft approximately 130 miles above Earth and place it in orbit. Then, the spacecraft’s own engine will boost it to its final high-altitude orbit (about 200,000 miles high) — most of the way to the Moon. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX science will be led by the Southwest Research Institute of San Antonio, Texas. IBEX is targeted for launch over the Pacific Oct. 19. Photo credit: NASA/CIV USAF/Daniel Liberotti KSC-08pd3142

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air For...

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Force Base in California, Orbital Sciences’ L-1011 aircraft awaits departure for the Kwajalein Atoll, a part of the Marshall Islands in the Pac... More

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Force Base in California, Orbital Sciences’ L-1011 aircraft awaits departure for the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, with NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and Pegasus XL rocket. The Pegasus is attached under the wing of the aircraft for launch. Departing from Kwajalein, the Pegasus rocket will be dropped from under the wing of the L-1011 over the Pacific Ocean to carry the spacecraft approximately 130 miles above Earth and place it in orbit. Then, the spacecraft’s own engine will boost it to its final high-altitude orbit (about 200,000 miles high) — most of the way to the Moon. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX science will be led by the Southwest Research Institute of San Antonio, Texas. IBEX is targeted for launch over the Pacific Oct. 19. Photo credit: NASA/CIV USAF/Daniel Liberotti KSC-08pd3146

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air For...

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Force Base in California, Orbital Sciences’ L-1011 aircraft awaits departure for the Kwajalein Atoll, a part of the Marshall Islands in the Pac... More

VANDENBERG AIR FORCE BASE, Calif. – Orbital Sciences’ L-1011 aircraft begins rolling for takeoff from Vandenberg Air Force Base in California to the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean. Under its wing is NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and Pegasus XL rocket. Departing from Kwajalein, the Pegasus rocket will be dropped from under the wing of the L-1011 over the Pacific Ocean to carry the spacecraft approximately 130 miles above Earth and place it in orbit. Then, the spacecraft’s own engine will boost it to its final high-altitude orbit (about 200,000 miles high) — most of the way to the Moon. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX science will be led by the Southwest Research Institute of San Antonio, Texas. IBEX is targeted for launch over the Pacific Oct. 19. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3139

VANDENBERG AIR FORCE BASE, Calif. – Orbital Sciences’ L-1011 aircraft...

VANDENBERG AIR FORCE BASE, Calif. – Orbital Sciences’ L-1011 aircraft begins rolling for takeoff from Vandenberg Air Force Base in California to the Kwajalein Atoll, a part of the Marshall Islands in the Pacif... More

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Force Base in California, Orbital Sciences’ L-1011 aircraft awaits departure for the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean, with NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and Pegasus XL rocket. The Pegasus is attached under the wing of the aircraft for launch. Departing from Kwajalein, the Pegasus rocket will be dropped from under the wing of the L-1011 over the Pacific Ocean to carry the spacecraft approximately 130 miles above Earth and place it in orbit. Then, the spacecraft’s own engine will boost it to its final high-altitude orbit (about 200,000 miles high) — most of the way to the Moon. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX science will be led by the Southwest Research Institute of San Antonio, Texas. IBEX is targeted for launch over the Pacific Oct. 19. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3134

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Forc...

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Force Base in California, Orbital Sciences’ L-1011 aircraft awaits departure for the Kwajalein Atoll, a part of the Marshall Islands in the Paci... More

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Force Base in California, workers make final checks of the Pegasus XL rocket before departure for the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean. Mated to NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft, the Pegasus is attached under the wing of the aircraft for launch. Departing from Kwajalein, the Pegasus rocket will be dropped from under the wing of the L-1011 over the Pacific Ocean to carry the spacecraft approximately 130 miles above Earth and place it in orbit. Then, the spacecraft’s own engine will boost it to its final high-altitude orbit (about 200,000 miles high) — most of the way to the Moon. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX science will be led by the Southwest Research Institute of San Antonio, Texas. IBEX is targeted for launch over the Pacific Oct. 19. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3133

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Forc...

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Force Base in California, workers make final checks of the Pegasus XL rocket before departure for the Kwajalein Atoll, a part of the Marshall Is... More

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Force Base in California, a Pathfinder aircraft waits for its passengers to arrive before takeoff. The Pathfinder will accompany Orbital Sciences’ L-1011 aircraft carrying NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and Pegasus XL rocket on its flight to the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean. The Pathfinder will carry the contingency crew and launch team members. Departing from Kwajalein, the Pegasus rocket will be dropped from under the wing of the L-1011 over the Pacific Ocean to carry the spacecraft approximately 130 miles above Earth and place it in orbit. Then, the spacecraft’s own engine will boost it to its final high-altitude orbit (about 200,000 miles high) — most of the way to the Moon. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX science will be led by the Southwest Research Institute of San Antonio, Texas. IBEX is targeted for launch over the Pacific Oct. 19. Photo credit: NASA/CIV USAF/Daniel Liberotti KSC-08pd3143

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air For...

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Force Base in California, a Pathfinder aircraft waits for its passengers to arrive before takeoff. The Pathfinder will accompany Orbital Scien... More

VANDENBERG AIR FORCE BASE, Calif. – Orbital Sciences’ L-1011 aircraft (right) taxis on the runway for takeoff from Vandenberg Air Force Base in California to the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean. Under its wing is NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and Pegasus XL rocket. At left is the Pathfinder aircraft that will accompany the L-1011, carrying the contingency crew and launch team members. Departing from Kwajalein, the Pegasus rocket will be dropped from under the wing of the L-1011 over the Pacific Ocean to carry the spacecraft approximately 130 miles above Earth and place it in orbit. Then, the spacecraft’s own engine will boost it to its final high-altitude orbit (about 200,000 miles high) — most of the way to the Moon. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX science will be led by the Southwest Research Institute of San Antonio, Texas. IBEX is targeted for launch over the Pacific Oct. 19. Photo credit: NASA/VAFB KSC-08pd3149

VANDENBERG AIR FORCE BASE, Calif. – Orbital Sciences’ L-1011 aircraft...

VANDENBERG AIR FORCE BASE, Calif. – Orbital Sciences’ L-1011 aircraft (right) taxis on the runway for takeoff from Vandenberg Air Force Base in California to the Kwajalein Atoll, a part of the Marshall Islands... More

VANDENBERG AIR FORCE BASE, Calif. – Orbital Sciences’ L-1011 aircraft takes off from Vandenberg Air Force Base in California for the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean. Under its wing is NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and Pegasus XL rocket. Departing from Kwajalein, the Pegasus rocket will be dropped from under the wing of the L-1011 over the Pacific Ocean to carry the spacecraft approximately 130 miles above Earth and place it in orbit. Then, the spacecraft’s own engine will boost it to its final high-altitude orbit (about 200,000 miles high) — most of the way to the Moon. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX science will be led by the Southwest Research Institute of San Antonio, Texas. IBEX is targeted for launch over the Pacific Oct. 19. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3140

VANDENBERG AIR FORCE BASE, Calif. – Orbital Sciences’ L-1011 aircraft...

VANDENBERG AIR FORCE BASE, Calif. – Orbital Sciences’ L-1011 aircraft takes off from Vandenberg Air Force Base in California for the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean. Under... More

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Force Base in California, the contingency crew and launch team members for NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft embark on the Pathfinder aircraft that will accompany Orbital Sciences’ L-1011 aircraft. The L-1011 will carry IBEX and Pegasus XL rocket on its flight to the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean. Departing from Kwajalein, the Pegasus rocket will be dropped from under the wing of the L-1011 over the Pacific Ocean to carry the spacecraft approximately 130 miles above Earth and place it in orbit. Then, the spacecraft’s own engine will boost it to its final high-altitude orbit (about 200,000 miles high) — most of the way to the Moon. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX science will be led by the Southwest Research Institute of San Antonio, Texas. IBEX is targeted for launch over the Pacific Oct. 19. Photo credit: NASA/CIV USAF/Daniel Liberotti KSC-08pd3144

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Fo...

VANDENBERG AIR FORCE BASE, Calif. – On the ramp of Vandenberg Air Force Base in California, the contingency crew and launch team members for NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft embark o... More

VANDENBERG AIR FORCE BASE, Calif. – Orbital Sciences’ L-1011 aircraft takes off from Vandenberg Air Force Base in California for the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean. Under its wing is NASA’s Interstellar Boundary Explorer, or IBEX, spacecraft and Pegasus XL rocket. Departing from Kwajalein, the Pegasus rocket will be dropped from under the wing of the L-1011 over the Pacific Ocean to carry the spacecraft approximately 130 miles above Earth and place it in orbit. Then, the spacecraft’s own engine will boost it to its final high-altitude orbit (about 200,000 miles high) — most of the way to the Moon. The IBEX satellite will make the first map of the boundary between the Solar System and interstellar space. IBEX science will be led by the Southwest Research Institute of San Antonio, Texas. IBEX is targeted for launch over the Pacific Oct. 19. Photo credit: NASA/Randy Beaudoin, VAFB KSC-08pd3145

VANDENBERG AIR FORCE BASE, Calif. – Orbital Sciences’ L-1011 aircra...

VANDENBERG AIR FORCE BASE, Calif. – Orbital Sciences’ L-1011 aircraft takes off from Vandenberg Air Force Base in California for the Kwajalein Atoll, a part of the Marshall Islands in the Pacific Ocean. Und... More

KWAJALEIN ATOLL, S. Pacific – The Orbital Sciences L-1011 carrier aircraft arrives at Kwajalein Atoll Oct. 12, 2008, with the Pegasus XL rocket and the Interstellar Boundary Explorer, or IBEX. The two-day ferry flight began from Vandenberg Air Force Base in California on Oct. 11. After an overnight stopover in Hawaii, the ferry flight to the South Pacific continued. Launch of IBEX aboard the Pegasus XL rocket successfully occurred over the Pacific Ocean Oct. 19 at a location 125 miles north of Kwajalein. Photo credit: Ivy Springer KSC-08pd3667

KWAJALEIN ATOLL, S. Pacific – The Orbital Sciences L-1011 carrier air...

KWAJALEIN ATOLL, S. Pacific – The Orbital Sciences L-1011 carrier aircraft arrives at Kwajalein Atoll Oct. 12, 2008, with the Pegasus XL rocket and the Interstellar Boundary Explorer, or IBEX. The two-day fer... More

VANDENBERG AIR FORCE BASE, Calif. -- At Vandenberg Air Force Base in California, the third stage of the Pegasus XL rocket that will launch the Nuclear Spectroscopic Telescope Array (NuSTAR) to orbit arrives at Building 1555 for processing. After the rocket and spacecraft are processed at Vandenberg, they will be shipped to the Ronald Reagan Ballistic Missile Defense Test Site located at the Pacific Ocean's Kwajalein Atoll for launch. The high-energy X-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. Photo credit: NASA/Dan Liberotti, VAFB KSC-2010-5266

VANDENBERG AIR FORCE BASE, Calif. -- At Vandenberg Air Force Base in C...

VANDENBERG AIR FORCE BASE, Calif. -- At Vandenberg Air Force Base in California, the third stage of the Pegasus XL rocket that will launch the Nuclear Spectroscopic Telescope Array (NuSTAR) to orbit arrives at ... More

VANDENBERG AIR FORCE BASE, Calif. -- Processing and integration of the three stages comprising an Orbital Sciences Corp. Pegasus rocket are complete in processing facility 1555 at Vandenberg Air Force Base (VAFB) in California. The rocket is being prepared to launch NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on the Orbital Sciences' L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch, targeted for no earlier than March 14. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1076

VANDENBERG AIR FORCE BASE, Calif. -- Processing and integration of the...

VANDENBERG AIR FORCE BASE, Calif. -- Processing and integration of the three stages comprising an Orbital Sciences Corp. Pegasus rocket are complete in processing facility 1555 at Vandenberg Air Force Base (VAF... More

VANDENBERG AIR FORCE BASE, Calif. -- Preparations for the second flight simulation of an Orbital Sciences Corp. Pegasus rocket are under way in processing facility 1555 at Vandenberg Air Force Base (VAFB) in California. The rocket is being prepared to launch NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on the Orbital Sciences' L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch, targeted for no earlier than March 14. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1079

VANDENBERG AIR FORCE BASE, Calif. -- Preparations for the second fligh...

VANDENBERG AIR FORCE BASE, Calif. -- Preparations for the second flight simulation of an Orbital Sciences Corp. Pegasus rocket are under way in processing facility 1555 at Vandenberg Air Force Base (VAFB) in Ca... More

VANDENBERG AIR FORCE BASE, Calif. -- The three stages of an Orbital Sciences Corp. Pegasus rocket have been mated in processing facility 1555 at Vandenberg Air Force Base (VAFB) in California. The rocket is being prepared to launch NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on the Orbital Sciences' L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch, targeted for no earlier than March 14. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1077

VANDENBERG AIR FORCE BASE, Calif. -- The three stages of an Orbital Sc...

VANDENBERG AIR FORCE BASE, Calif. -- The three stages of an Orbital Sciences Corp. Pegasus rocket have been mated in processing facility 1555 at Vandenberg Air Force Base (VAFB) in California. The rocket is ... More

VANDENBERG AIR FORCE BASE, Calif. -- Processing and integration of a three-stage Orbital Sciences Corp. Pegasus rocket are complete in processing facility 1555 at Vandenberg Air Force Base (VAFB) in California. The rocket is being prepared to launch NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on the Orbital Sciences' L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch, targeted for no earlier than March 14. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1078

VANDENBERG AIR FORCE BASE, Calif. -- Processing and integration of a t...

VANDENBERG AIR FORCE BASE, Calif. -- Processing and integration of a three-stage Orbital Sciences Corp. Pegasus rocket are complete in processing facility 1555 at Vandenberg Air Force Base (VAFB) in California.... More

VANDENBERG AIR FORCE BASE, Calif. -- Stage 2 is separated from stage 3 of an Orbital Sciences Corp. Pegasus rocket in processing facility 1555 at Vandenberg Air Force Base (VAFB) in California to reinstall some RF cabling. The stages were remated after the installation was complete. The rocket is being prepared to launch NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on the Orbital Sciences' L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch, targeted for no earlier than March 14. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1117

VANDENBERG AIR FORCE BASE, Calif. -- Stage 2 is separated from stage 3...

VANDENBERG AIR FORCE BASE, Calif. -- Stage 2 is separated from stage 3 of an Orbital Sciences Corp. Pegasus rocket in processing facility 1555 at Vandenberg Air Force Base (VAFB) in California to reinstall some... More

VANDENBERG AIR FORCE BASE, Calif. -- Orbital Sciences Corp. engineers oversee the remating of stages 2 and 3 of the Pegasus rocket in processing facility 1555 at Vandenberg Air Force Base (VAFB) in California. The stages were remated after some RF electrical cabling was reinstalled. The rocket is being prepared to launch NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) into space. After the rocket and spacecraft are processed at Vandenberg, they will be flown on the Orbital Sciences' L-1011 carrier aircraft to the Ronald Reagan Ballistic Missile Defense Test Site at the Pacific Ocean's Kwajalein Atoll for launch, targeted for no earlier than March 14. The high-energy x-ray telescope will conduct a census for black holes, map radioactive material in young supernovae remnants, and study the origins of cosmic rays and the extreme physics around collapsed stars. For more information, visit http://www.nasa.gov/nustar. Photo credit: NASA/Randy Beaudoin, VAFB KSC-2012-1118

VANDENBERG AIR FORCE BASE, Calif. -- Orbital Sciences Corp. engineers ...

VANDENBERG AIR FORCE BASE, Calif. -- Orbital Sciences Corp. engineers oversee the remating of stages 2 and 3 of the Pegasus rocket in processing facility 1555 at Vandenberg Air Force Base (VAFB) in California. ... More

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