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KENNEDY SPACE CENTER, FLA. -- Space Shuttle Endeavour rests on Launch Pad 39A after rollout from the Vehicle Assembly Building. The Shuttle comprises the orbiter, in front, and the taller orange external tank behind it flanked by twin solid rocket boosters. On either side of Endeavour's tail and main engines are the tail service masts that support the fluid,, gas and electrical requirements of the orbiter's liquid oxyen and liquid hydrogen aft T-0 umbilicals. Mission STS-111 is designated UF-2, the 14th assembly flight to the International Space Station. Endeavour's payload includes the Multi-Purpose Logistics Module Leonardo and Mobile Base System. The mission also will swap resident crews on the Station, carrying the Expedition 5 crew and returning to Earth Expedition 4. Liftoff of Endeavour is scheduled between 4 and 8 p.m. May 30, 2002 KSC-02pd0591

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Endeavour rests on Launch ...

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Endeavour rests on Launch Pad 39A after rollout from the Vehicle Assembly Building. The Shuttle comprises the orbiter, in front, and the taller orange external tank ... More

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Endeavour waits on Launch Pad 39B for launch on mission STS-97. Behind it are the orange external tank flanked by two solid rocket boosters. On either side of Endeavour’s tail are the tail service masts, which support the fluid, gas and electrical requirements of the orbiter’s liquid oxygen and liquid hydrogen aft T-0 umbilicals. The masts also protect the ground half of those umbilicals from the harsh launch environment. At launch, the masts rotate backward, triggering a compressed-gas thruster and causing a protective hood to move into place and completely seal the structure from the main engine exhaust. At the end of the orbiter access arm, near the nose of Endeavour, is the White Room, an environmental chamber that provides both entrance to the orbiter and emergency egress, if needed. The arm remains extended until 7 minutes, 24 seconds before launch. The arm extends from the Fixed Service Structure. In the center of Endeavour are the payload bay doors. Endeavour is scheduled to launch Nov. 30 at 10:06 p.m. EST KSC-00pp1731

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Endeavour waits on Launch ...

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Endeavour waits on Launch Pad 39B for launch on mission STS-97. Behind it are the orange external tank flanked by two solid rocket boosters. On either side of Endeavo... More

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Endeavour waits on Launch Pad 39B for launch on mission STS-97. Behind it are the orange external tank flanked by two solid rocket boosters. On either side of Endeavour’s tail are the tail service masts, which support the fluid, gas and electrical requirements of the orbiter’s liquid oxygen and liquid hydrogen aft T-0 umbilicals. The masts also protect the ground half of those umbilicals from the harsh launch environment. At launch, the masts rotate backward, triggering a compressed-gas thruster and causing a protective hood to move into place and completely seal the structure from the main engine exhaust. At the end of the orbiter access arm, near the nose of Endeavour, is the White Room, an environmental chamber that provides both entrance to the orbiter and emergency egress, if needed. The arm remains extended until 7 minutes, 24 seconds before launch. The arm extends from the Fixed Service Structure. In the center of Endeavour are the payload bay doors. Endeavour is scheduled to launch Nov. 30 at 10:06 p.m. EST KSC00pp1731

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Endeavour waits on Launch ...

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Endeavour waits on Launch Pad 39B for launch on mission STS-97. Behind it are the orange external tank flanked by two solid rocket boosters. On either side of Endeavo... More

KENNEDY SPACE CENTER, Fla. -- Bright morning sun shines on Space Shuttle Atlantis as it sits on Launch Pad 39A. In front of the wings, on either side of the orbiter are tail service masts, which support the fluid, gas and electrical requirements of the orbiter’s liquid oxygen and liquid hydrogen aft T-0 umbilicals. Atlantis will fly on mission STS-98, the seventh construction flight to the International Space Station, carrying the U.S. Laboratory, named Destiny. The lab has five system racks already installed inside the module. After delivery of electronics in the lab, electrically powered attitude control for Control Moment Gyroscopes will be activated. Atlantis is scheduled for launch no earlier than Jan. 19, 2001, with a crew of five KSC01pp0018

KENNEDY SPACE CENTER, Fla. -- Bright morning sun shines on Space Shut...

KENNEDY SPACE CENTER, Fla. -- Bright morning sun shines on Space Shuttle Atlantis as it sits on Launch Pad 39A. In front of the wings, on either side of the orbiter are tail service masts, which support the fl... More

KENNEDY SPACE CENTER, Fla. -- This closeup reveals Space Shuttle Atlantis after rollback of the Rotating Service Structure. Extended to the side of Atlantis is the orbiter access arm, with the White Room at its end. The White Room provides entry for the crew into Atlantis’s cockpit. Below Atlantis, on either side of the tail are the tail service masts. They support the fluid, gas and electrical requirements of the orbiter’s liquid oxygen and liquid hydrogen aft T-0 umbilicals. Atlantis is carrying the U.S. Laboratory Destiny, a key module in the growth of the International Space Station. Destiny will be attached to the Unity node on the Space Station using the Shuttle’s robotic arm. Three spacewalks are required to complete the planned construction work during the 11-day mission. Launch is targeted for 6:11 p.m. EST and the planned landing at KSC Feb. 18 about 1:39 p.m. This mission marks the seventh Shuttle flight to the Space Station, the 23rd flight of Atlantis and the 102nd flight overall in NASA’s Space Shuttle program KSC01padig054

KENNEDY SPACE CENTER, Fla. -- This closeup reveals Space Shuttle Atla...

KENNEDY SPACE CENTER, Fla. -- This closeup reveals Space Shuttle Atlantis after rollback of the Rotating Service Structure. Extended to the side of Atlantis is the orbiter access arm, with the White Room at it... More

This closeup reveals Space Shuttle Atlantis after rollback of the Rotating Service Structure. Extended to the side of Atlantis is the orbiter access arm, with the White Room at its end. The White Room provides entry for the crew into Atlantis’s cockpit. Below Atlantis, on either side of the tail, are the tail service masts. They support the fluid, gas and electrical requirements of the orbiter’s liquid oxygen and liquid hydrogen aft T-0 umbilicals. Atlantis is carrying the U.S. Laboratory Destiny, a key module in the growth of the International Space Station. Destiny will be attached to the Unity node on the Space Station using the Shuttle’s robotic arm. Three spacewalks are required to complete the planned construction work during the 11-day mission. Launch is targeted for 6:11 p.m. EST and the planned landing at KSC Feb. 18 about 1:39 p.m. This mission marks the seventh Shuttle flight to the Space Station, the 23rd flight of Atlantis and the 102nd flight overall in NASA’s Space Shuttle program KSC01pp0275

This closeup reveals Space Shuttle Atlantis after rollback of the Rota...

This closeup reveals Space Shuttle Atlantis after rollback of the Rotating Service Structure. Extended to the side of Atlantis is the orbiter access arm, with the White Room at its end. The White Room provides ... More

KENNEDY SPACE CENTER, Fla. -- Space Shuttle Discovery shines on Launch Pad 39B after rollback of the Rotating Service Structure. Situated above the external tank is the Gaseous Oxygen Vent Arm with the “beanie cap,” a vent hood. Extended out from the Fixed Service Structure (left) to the orbiter is the orbiter access arm with an environmentally controlled chamber, known as the White Room, at the end of the arm. The White Room provides entrance for the astronaut crew into the orbiter. On either side of the tail and main engines are the tail service masts. Rising 31 feet above the Mobile Launcher Platform, the tail masts provide umbilical connections for liquid oxygen and liquid hydrogen lines to fuel the external tank from storage tanks adjacent to the launch pad. Discovery carries the Multi-Purpose Logistics Module Leonardo, the primary delivery system used to resupply and return Station cargo requiring a pressurized environment. Leonardo will deliver up to 10 tons of laboratory racks filled with equipment, experiments and supplies for outfitting the newly installed U.S. Laboratory Destiny. Launch on mission STS-102 is scheduled March 8 at 6:42 a.m. EST KSC01pp0443

KENNEDY SPACE CENTER, Fla. -- Space Shuttle Discovery shines on Launch...

KENNEDY SPACE CENTER, Fla. -- Space Shuttle Discovery shines on Launch Pad 39B after rollback of the Rotating Service Structure. Situated above the external tank is the Gaseous Oxygen Vent Arm with the “beanie ... More

KENNEDY SPACE CENTER, Fla. -- Atop the mobile launcher platform, Space Shuttle Atlantis, with its orange external tank and white solid rocket boosters, sits on Launch Pad 39B after rollout from the Vehicle Assembly Building. Seen on either side of the orbiter’s tail are the tail service masts. They support the fluid, gas and electrical requirements of the orbiter’s liquid oxygen and liquid hydrogen aft umbilicals. The Shuttle is targeted for launch no earlier than July 12 on mission STS-104, the 10th flight to the International Space Station. The payload on the 11-day mission is the Joint Airlock Module, which will allow astronauts and cosmonauts in residence on the Station to perform future spacewalks without the presence of a Space Shuttle. The module, which comprises a crew lock and an equipment lock, will be connected to the starboard (right) side of Node 1 Unity. Atlantis will also carry oxygen and nitrogen storage tanks, vital to operation of the Joint Airlock, on a Spacelab Logistics Double Pallet in the payload bay. The tanks, to be installed on the perimeter of the Joint Module during the mission’s spacewalks, will support future spacewalk operations and experiments plus augment the resupply system for the Station’s Service Module KSC-01pp1185

KENNEDY SPACE CENTER, Fla. -- Atop the mobile launcher platform, Space...

KENNEDY SPACE CENTER, Fla. -- Atop the mobile launcher platform, Space Shuttle Atlantis, with its orange external tank and white solid rocket boosters, sits on Launch Pad 39B after rollout from the Vehicle Asse... More

KENNEDY SPACE CENTER, Fla. -- Atop the mobile launcher platform, Space Shuttle Atlantis arrives on Launch Pad 39B after rollout from the Vehicle Assembly Building. Seen on either side of the orbiter’s tail are the tail service masts. They support the fluid, gas and electrical requirements of the orbiter’s liquid oxygen and liquid hydrogen aft umbilicals. The Shuttle is targeted for launch no earlier than July 12 on mission STS-104, the 10th flight to the International Space Station. The payload on the 11-day mission is the Joint Airlock Module, which will allow astronauts and cosmonauts in residence on the Station to perform future spacewalks without the presence of a Space Shuttle. The module, which comprises a crew lock and an equipment lock, will be connected to the starboard (right) side of Node 1 Unity. Atlantis will also carry oxygen and nitrogen storage tanks, vital to operation of the Joint Airlock, on a Spacelab Logistics Double Pallet in the payload bay. The tanks, to be installed on the perimeter of the Joint Module during the mission’s spacewalks, will support future spacewalk operations and experiments plus augment the resupply system for the Station’s Service Module KSC-01pp1184

KENNEDY SPACE CENTER, Fla. -- Atop the mobile launcher platform, Space...

KENNEDY SPACE CENTER, Fla. -- Atop the mobile launcher platform, Space Shuttle Atlantis arrives on Launch Pad 39B after rollout from the Vehicle Assembly Building. Seen on either side of the orbiter’s tail are ... More

KENNEDY SPACE CENTER, Fla. -- After RSS rollback, Space Shuttle Atlantis is ready for final launch preparations. The orbiter access arm, with the environmentally controlled White Room at the end, is extended to the orbiter to allow entry into Atlantis. Above it is the gaseous oxygen vent arm with its characteristic “beanie cap” or hood placed over the external tank. The retractable arm and vent hood assembly allows gaseous oxygen vapors to vent away from the Space Shuttle vehicle. The vapors are created as the liquid oxygen in the external tank boils off. At the lower end of Atlantis are the tail service masts, in front of either wing. The masts support the fluid, gas and electrical requirements of the orbiter’s liquid oxygen and liquid hydrogen aft T-0 umbilicals. Launch on mission STS-104 is scheduled for 5:04 a.m. July 12. The launch is the 10th assembly flight to the International Space Station. Along with a crew of five, Atlantis will carry the joint airlock module as primary payload KSC-01pp1276

KENNEDY SPACE CENTER, Fla. -- After RSS rollback, Space Shuttle Atlant...

KENNEDY SPACE CENTER, Fla. -- After RSS rollback, Space Shuttle Atlantis is ready for final launch preparations. The orbiter access arm, with the environmentally controlled White Room at the end, is extended to... More

KENNEDY SPACE CENTER, Fla. -- Space Shuttle Atlantis is ready for final launch preparations. The orbiter access arm is extended to the orbiter to allow entry into Atlantis. The White Room at the end is the point of entry, and is an environmentally controlled room where the Shuttle crew have final adjustments made to their launch and entry suits. At the lower end of Atlantis are the tail service masts, in front of either wing. The masts support the fluid, gas and electrical requirements of the orbiter’s liquid oxygen and liquid hydrogen aft T-0 umbilicals. Viewed in the background is the Atlantic Ocean. Launch on mission STS-104 is scheduled for 5:04 a.m. July 12. The launch is the 10th assembly flight to the International Space Station. Along with a crew of five, Atlantis will carry the joint airlock module as primary payload KSC-01pp1273

KENNEDY SPACE CENTER, Fla. -- Space Shuttle Atlantis is ready for fina...

KENNEDY SPACE CENTER, Fla. -- Space Shuttle Atlantis is ready for final launch preparations. The orbiter access arm is extended to the orbiter to allow entry into Atlantis. The White Room at the end is the poin... More

KENNEDY SPACE CENTER, Fla. -- Floodlights reveal the Space Shuttle Discovery after rollback of the Rotating Service Structure in preparation for launch on mission STS-105. Above the external tank, the “beanie cap” is poised, waiting for loading of the propellants. The cap, or vent hood, is on the end of the gaseous oxygen vent arm that allows gaseous oxygen vapors to vent away from the Space Shuttle. Below, on either side of the orbiter’s tail are the tail service masts that support the fluid, gas and electrical requirements of the orbiter’s liquid oxygen and liquid hydrogen aft T-0 umbilicals. On the mission, Discovery will be transporting the Expedition Three crew and several scientific experiments and payloads to the International Space Station, including the Early Ammonia Servicer (EAS) tank. The EAS, which will support the thermal control subsystems until a permanent system is activated, will be attached to the Station during two spacewalks. The three-member Expedition Two crew will be returning to Earth aboard Discovery after a five-month stay on the Station. Launch is scheduled for 5:38 p.m. EDT Aug. 9 KSC-01pp1449

KENNEDY SPACE CENTER, Fla. -- Floodlights reveal the Space Shuttle Dis...

KENNEDY SPACE CENTER, Fla. -- Floodlights reveal the Space Shuttle Discovery after rollback of the Rotating Service Structure in preparation for launch on mission STS-105. Above the external tank, the “beanie c... More

KENNEDY SPACE CENTER, Fla. -- Space Shuttle Discovery is bathed in light after rollback of the Rotating Service Structure in preparation for launch on mission STS-105. The Shuttle comprises the two solid rocket boosters, external tank and orbiter, all of which are secured on the mobile launcher platform beneath them. Extending toward Discovery from the fixed service structure at left is the orbiter access arm. At the end of the arm is the White Room, an environmental chamber that mates with the orbiter and allows personnel to enter the crew compartment. Below, on either side of the orbiter’s tail are the tail service masts that support the fluid, gas and electrical requirements of the orbiter’s liquid oxygen and liquid hydrogen aft T-0 umbilicals. On mission STS-105, Discovery will be transporting the Expedition Three crew and several payloads and scientific experiments to the ISS, including the Early Ammonia Servicer (EAS) tank. The EAS, which will support the thermal control subsystems until a permanent system is activated, will be attached to the Station during two spacewalks. The three-member Expedition Two crew will be returning to Earth aboard Discovery after a five-month stay on the Station. Launch is scheduled for 5:38 p.m. EDT Aug. 9 KSC01padig261

KENNEDY SPACE CENTER, Fla. -- Space Shuttle Discovery is bathed in lig...

KENNEDY SPACE CENTER, Fla. -- Space Shuttle Discovery is bathed in light after rollback of the Rotating Service Structure in preparation for launch on mission STS-105. The Shuttle comprises the two solid rocket... More

KENNEDY SPACE CENTER, FLA. - This closeup shows Space Shuttle Atlantis as it begins rolling out of the Vehicle Assembly Building on its slow trek to the launch pad. Below Atlantis' wings are the Tail Service Masts on the Mobile Launcher Platform. Atlantis is scheduled for launch April 4 on mission STS-110, which will install the S0 truss, the framework that eventually will hold the power and cooling systems needed for future international research laboratories on the International Space Station. The Canadarm2 robotic arm will be used exclusively to hoist the 13-ton truss from the payload bay to the Station. The S0 truss will be the first major U.S. component launched to the Station since the addition of the Quest airlock in July 2001. The four spacewalks planned for the construction will all originate from the airlock. The mission will be Atlantis' 25th trip to space KSC-02pd0271

KENNEDY SPACE CENTER, FLA. - This closeup shows Space Shuttle Atlanti...

KENNEDY SPACE CENTER, FLA. - This closeup shows Space Shuttle Atlantis as it begins rolling out of the Vehicle Assembly Building on its slow trek to the launch pad. Below Atlantis' wings are the Tail Service ... More

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Atlantis is hard down on the launch pad after its mid-day rollout from the Vehicle Assembly Building. Part of the Fixed Service Structure is at left. On either side of the tail of Atlantis are the tail service masts, which support the fluid, gas and electrical requirements of the orbiter's liquid oxygen and liquid hydrogen aft T-0 umbilicals. Atlantis is scheduled for launch April 4 on mission STS-110, which will install the S0 truss, the framework that eventually will hold the power and cooling systems needed for future international research laboratories on the International Space Station. The Canadarm2 robotic arm will be used exclusively to hoist the 13-ton truss from the payload bay to the Station. The S0 truss will be the first major U.S. component launched to the Station since the addition of the Quest airlock in July 2001. The four spacewalks planned for the construction will all originate from the airlock. The mission will be Atlantis' 25th trip to space KSC-02pd0280

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Atlantis is hard down on ...

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Atlantis is hard down on the launch pad after its mid-day rollout from the Vehicle Assembly Building. Part of the Fixed Service Structure is at left. On either sid... More

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Endeavour rests on Launch Pad 39A after rollout from the Vehicle Assembly Building. The Shuttle comprises the orbiter, in front, and the taller orange external tank behind it flanked by twin solid rocket boosters. The Shuttle sits on the Mobile Launcher Platform that straddles the flame trench below. On either side of Endeavour's tail and main engines are the tail service masts that support the fluid,, gas and electrical requirements of the orbiter's liquid oxyen and liquid hydrogen aft T-0 umbilicals. At left is the open Rotating Service Structure and the Fixed Service Structure to its right, with its 80-foot lightning mast on top. Mission STS-111 is designated UF-2, the 14th assembly flight to the International Space Station. Endeavour's payload includes the Multi-Purpose Logistics Module Leonardo and Mobile Base System. The mission also will swap resident crews on the Station, carrying the Expedition 5 crew and returning to Earth Expedition 4. Liftoff of Endeavour is scheduled between 4 and 8 p.m. May 30, 2002 KSC-02pd0590

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Endeavour rests on Launc...

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Endeavour rests on Launch Pad 39A after rollout from the Vehicle Assembly Building. The Shuttle comprises the orbiter, in front, and the taller orange external tan... More

KENNEDY SPACE CENTER, FLA. - Space Shuttle Endeavour rests on Launch Pad 39A after rollout from the Vehicle Assembly Building. The Shuttle comprises the orbiter, in front, and the taller orange external tank behind it flanked by twin solid rocket boosters. The Shuttle sits on the Mobile Launcher Platform that straddles the flame trench below. On either side of Endeavour's tail and main engines are the tail service masts that support the fluid,, gas and electrical requirements of the orbiter's liquid oxyen and liquid hydrogen aft T-0 umbilicals. In the foreground, left, is the White Room, located at the end of the orbiter access arm. This environmentally controlled area provides access to the cockpit of the orbiter. Mission STS-111 is designated UF-2, the 14th assembly flight to the International Space Station. Endeavour's payload includes the Multi-Purpose Logistics Module Leonardo and Mobile Base System. The mission also will swap resident crews on the Station, carrying the Expedition 5 crew and returning to Earth Expedition 4. Liftoff of Endeavour is scheduled between 4 and 8 p.m. May 30, 2002 KSC-02pd0589

KENNEDY SPACE CENTER, FLA. - Space Shuttle Endeavour rests on Launch P...

KENNEDY SPACE CENTER, FLA. - Space Shuttle Endeavour rests on Launch Pad 39A after rollout from the Vehicle Assembly Building. The Shuttle comprises the orbiter, in front, and the taller orange external tank b... More

KENNEDY SPACE CENTER, FLA. -- After rollback of the Rotating Service Structure in the early morning hours, Space Shuttle Endeavour sits bathed in light on its Mobile Launcher Platform on Launch Pad 39A. Seen extending to the cockpit area of Endeavour is the orbiter access arm. At the end of the arm is the White Room, an environmental chamber. Below, on either side of Endeavour's tail, are the tail service masts that support fluid, gas and electrical requirements of the orbiter's liquid oxygen and liquid hydrogen aft T-0 umbilicals. STS-111 is the second Utilization Flight to the International Space Station, carrying the Multi-Purpose Logistics Module Leonardo, the Mobile Base System (MBS), and a replacement wrist/roll joint for the Canadarm 2. Also onboard Space Shuttle Endeavour is the Expedition 5 crew who will replace Expedition 4 on board the Station. The MBS will be installed on the Mobile Transporter to complete the Canadian Mobile Servicing System, or MSS. The mechanical arm will then have the capability to "inchworm" from the U.S. Lab Destiny to the MSS and travel along the truss to work sites. Expedition 4 crew members will return to Earth with the STS-111 crew on Endeavour. Launch is scheduled for 7:44 p.m. EDT, May 30, 2002 KSC-02pd0818

KENNEDY SPACE CENTER, FLA. -- After rollback of the Rotating Service S...

KENNEDY SPACE CENTER, FLA. -- After rollback of the Rotating Service Structure in the early morning hours, Space Shuttle Endeavour sits bathed in light on its Mobile Launcher Platform on Launch Pad 39A. Seen e... More

KENNEDY SPACE CENTER, FLA. -- After an early morning rollout, Space Shuttle Atlantis sits on the launch pad. Visible near the tail are the tail service masts that support the fluid, gas and electrical requirements of the orbiter's liquid oxygen and liquid hydrogen aft T-0 umbilicals. After being stacked with its solid rocket boosters and external tank, Atlantis began its rollout to Launch Pad 39B at 2:27 a.m. EDT in preparation for launch to the International Space Station. The Shuttle arrived at the Pad and was hard down at 9:38 a.m. Launch is scheduled no earlier than Oct. 2 for mission STS-112, the 15th assembly flight to the International Space Station. Atlantis will carry the S1 Integrated Truss Structure, which will be attached to the central truss segment, the S0 truss, during the mission. KSC-02pd1293

KENNEDY SPACE CENTER, FLA. -- After an early morning rollout, Space Sh...

KENNEDY SPACE CENTER, FLA. -- After an early morning rollout, Space Shuttle Atlantis sits on the launch pad. Visible near the tail are the tail service masts that support the fluid, gas and electrical requirem... More

KENNEDY SPACE CENTER, FLA. - Space Shuttle Atlantis sits on the hardstand of Launch Pad 39B after its nearly 8-hour rollout from the Vehicle Assembly Building. The "beanie cap," at the end of the external tank gaseous oxygen vent arm, is extended over the top of the external tank. The cap is a vent hood that vacuums away the very cold liquid oxygen vapors as they boil off from the top of the external tank before launch. Lower down on the left is the orbiter access arm, with the White Room on the outer end, extended toward Atlantis' crew access hatch. Below the orbiter, on each side of the main engine nozzles, are the tail service masts that provide several umbilical connections to the orbiter, including a liquid-oxygen line through one and a liquid-hydrogen line through another. The slow speed of the crawler results in a 6- to 8-hour trek to the pad approximately 4 miles away. Atlantis' launch window begins Aug. 27 for an 11-day mission to the International Space Station. The STS-115 crew of six astronauts will continue construction of the station and install their cargo, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Troy Cryder & George Shelton KSC-06pd1722

KENNEDY SPACE CENTER, FLA. - Space Shuttle Atlantis sits on the har...

KENNEDY SPACE CENTER, FLA. - Space Shuttle Atlantis sits on the hardstand of Launch Pad 39B after its nearly 8-hour rollout from the Vehicle Assembly Building. The "beanie cap," at the end of the external ta... More

KENNEDY SPACE CENTER, FLA. - Space Shuttle Atlantis sits on the hardstand of Launch Pad 39B after its nearly 8-hour rollout from the Vehicle Assembly Building. Extending from the fixed service structure on the left is the orbiter access arm, with the White Room on the outer end, adjacent to Atlantis. Below the orbiter, on each side of the main engine nozzles, are the tail service masts that provide several umbilical connections to the orbiter, including a liquid-oxygen line through one and a liquid-hydrogen line through another. Atlantis' launch window begins Aug. 27 for an 11-day mission to the International Space Station. The STS-115 crew of six astronauts will continue construction of the station and install their cargo, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Troy Cryder & George Shelton KSC-06pd1726

KENNEDY SPACE CENTER, FLA. - Space Shuttle Atlantis sits on the hards...

KENNEDY SPACE CENTER, FLA. - Space Shuttle Atlantis sits on the hardstand of Launch Pad 39B after its nearly 8-hour rollout from the Vehicle Assembly Building. Extending from the fixed service structure on th... More

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Atlantis, mounted on a mobile launch platform, finally rests on the hard stand of Launch Pad 39A after an early morning rollout. This is the second rollout for the shuttle. Seen on either side of the main engine exhaust hole on the launcher platform are the tail service masts. Their function is to provide umbilical connections for liquid oxygen and liquid hydrogen lines to fuel the external tank from storage tanks adjacent to the launch pad. Other umbilical lines carry helium and nitrogen, as well as ground electrical power and connections for vehicle data and communications. First motion out of the Vehicle Assembly Building was at 5:02 a.m. EDT. In late February, while Atlantis was on the launch pad, Atlantis' external tank received hail damage during a severe thunderstorm that passed through the Kennedy Space Center Launch Complex 39 area. The hail caused visible divots in the giant tank's foam insulation, as well as minor surface damage to about 26 heat shield tiles on the shuttle's left wing. The shuttle was returned to the VAB for repairs. The launch of Space Shuttle Atlantis on mission STS-117 is now targeted for June 8. A flight readiness review will be held on May 30 and 31. Photo credit: NASA/Troy Cryder KSC-07pd1200

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Atlantis, mounted on a mo...

KENNEDY SPACE CENTER, FLA. -- Space Shuttle Atlantis, mounted on a mobile launch platform, finally rests on the hard stand of Launch Pad 39A after an early morning rollout. This is the second rollout for the ... More

KENNEDY SPACE CENTER, FLA. -- A fish-eye view captures Space Shuttle Atlantis at liftoff from Launch Pad 39A as twin columns of fire propel it toward the sky. Smoke is pouring from the flame trench below (lower right), between the tail service masts and beyond the service structure. On the left of the orbiter's wing is the White Room, which provides access into the orbiter for the astronauts and swings away before final countdown. Liftoff of Atlantis on mission STS-117 to the International Space Station was on-time at 7:38:04 p.m. EDT. The shuttle is delivering a new segment to the starboard side of the International Space Station's backbone, known as the truss. Three spacewalks are planned to install the S3/S4 truss segment, deploy a set of solar arrays and prepare them for operation. STS-117 is the 118th space shuttle flight, the 21st flight to the station, the 28th flight for Atlantis and the first of four flights planned for 2007. Photo Credit: NASA/Rick Wetherington & Tony Gray KSC-07pp1463

KENNEDY SPACE CENTER, FLA. -- A fish-eye view captures Space Shuttle...

KENNEDY SPACE CENTER, FLA. -- A fish-eye view captures Space Shuttle Atlantis at liftoff from Launch Pad 39A as twin columns of fire propel it toward the sky. Smoke is pouring from the flame trench below (lo... More

KENNEDY SPACE CENTER, FLA. -- On Launch Pad 39A at NASA's Kennedy Space Center, rollback of the rotating service structure (at left) reveals space shuttle Endeavour atop the mobile launcher platform. First motion was at 8:23 a.m. and rollback was complete at 8:55 a.m. Above the orange external tank is seen the "beanie cap" at the end of the gaseous oxygen vent arm, extending from the fixed service structure. Vapors are created as the liquid oxygen in the external tank boil off. The hood vents the gaseous oxygen vapors away from the space shuttle vehicle. Below is the orbiter access arm with the White Room at the end, flush against the shuttle. The crew gains access into the orbiter through the White Room. On either side of the main engines and below the wings are the tail service masts, which provide several umbilical connections to the orbiter, including a liquid-oxygen line through one and a liquid-hydrogen line through another. The rotating structure provides protected access to the orbiter for changeout and servicing of payloads at the pad. The structure is supported by a rotating bridge that pivots about a vertical axis on the west side of the pad's flame trench. After the RSS is rolled back, the orbiter is ready for fuel cell activation and external tank cryogenic propellant loading operations. The pad is cleared to the perimeter gate for operations to fill the external tank with about 500,000 gallons of cryogenic propellants used by the shuttle’s main engines. This is done at the pad approximately eight hours before the scheduled launch. Endeavour and its crew will deliver the first section of the Japan Aerospace Exploration Agency's Kibo laboratory and the Canadian Space Agency's two-armed robotic system, Dextre. Launch is scheduled for 2:28 a.m. EDT March 11. Photo credit: NASA/Kim Shiflett KSC-08pd0670

KENNEDY SPACE CENTER, FLA. -- On Launch Pad 39A at NASA's Kennedy Spac...

KENNEDY SPACE CENTER, FLA. -- On Launch Pad 39A at NASA's Kennedy Space Center, rollback of the rotating service structure (at left) reveals space shuttle Endeavour atop the mobile launcher platform. First mot... More

KENNEDY SPACE CENTER, FLA. -- On Launch Pad 39A at NASA's Kennedy Space Center, the rotating service structure has rolled away to uncover space shuttle Endeavour, resting on the mobile launcher platform. First motion was at 8:23 a.m. and rollback was complete at 8:55 a.m. Above the orange external tank is seen the "beanie cap" at the end of the gaseous oxygen vent arm, extending from the fixed service structure. Vapors are created as the liquid oxygen in the external tank boil off. The hood vents the gaseous oxygen vapors away from the space shuttle vehicle. Below is the orbiter access arm with the White Room at the end, flush against the shuttle. The crew gains access into the orbiter through the White Room. On either side of the main engines and below the wings are the tail service masts, which provide several umbilical connections to the orbiter, including a liquid-oxygen line through one and a liquid-hydrogen line through another. The rotating structure provides protected access to the orbiter for changeout and servicing of payloads at the pad. The structure is supported by a rotating bridge that pivots about a vertical axis on the west side of the pad's flame trench. After the RSS is rolled back, the orbiter is ready for fuel cell activation and external tank cryogenic propellant loading operations. The pad is cleared to the perimeter gate for operations to fill the external tank with about 500,000 gallons of cryogenic propellants used by the shuttle’s main engines. This is done at the pad approximately eight hours before the scheduled launch. Endeavour and its crew will deliver the first section of the Japan Aerospace Exploration Agency's Kibo laboratory and the Canadian Space Agency's two-armed robotic system, Dextre. Launch is scheduled for 2:28 a.m. EDT March 11. Photo credit: NASA/Kim Shiflett KSC-08pd0667

KENNEDY SPACE CENTER, FLA. -- On Launch Pad 39A at NASA's Kennedy Spa...

KENNEDY SPACE CENTER, FLA. -- On Launch Pad 39A at NASA's Kennedy Space Center, the rotating service structure has rolled away to uncover space shuttle Endeavour, resting on the mobile launcher platform. Firs... More

KENNEDY SPACE CENTER, FLA. -- On Launch Pad 39A at NASA's Kennedy Space Center, rollback of the rotating service structure reveals space shuttle Endeavour atop the mobile launcher platform. First motion was at 8:23 a.m. and rollback was complete at 8:55 a.m. Above the orange external tank is seen the "beanie cap" at the end of the gaseous oxygen vent arm, extending from the fixed service structure. Vapors are created as the liquid oxygen in the external tank boil off. The hood vents the gaseous oxygen vapors away from the space shuttle vehicle. Below is the orbiter access arm with the White Room at the end, flush against the shuttle. The crew gains access into the orbiter through the White Room. On either side of the main engines and below the wings are the tail service masts, which provide several umbilical connections to the orbiter, including a liquid-oxygen line through one and a liquid-hydrogen line through another. The rotating structure provides protected access to the orbiter for changeout and servicing of payloads at the pad. The structure is supported by a rotating bridge that pivots about a vertical axis on the west side of the pad's flame trench. After the RSS is rolled back, the orbiter is ready for fuel cell activation and external tank cryogenic propellant loading operations. The pad is cleared to the perimeter gate for operations to fill the external tank with about 500,000 gallons of cryogenic propellants used by the shuttle’s main engines. This is done at the pad approximately eight hours before the scheduled launch. Endeavour and its crew will deliver the first section of the Japan Aerospace Exploration Agency's Kibo laboratory and the Canadian Space Agency's two-armed robotic system, Dextre. Launch is scheduled for 2:28 a.m. EDT March 11. Photo credit: NASA/Kim Shiflett KSC-08pd0671

KENNEDY SPACE CENTER, FLA. -- On Launch Pad 39A at NASA's Kennedy Spac...

KENNEDY SPACE CENTER, FLA. -- On Launch Pad 39A at NASA's Kennedy Space Center, rollback of the rotating service structure reveals space shuttle Endeavour atop the mobile launcher platform. First motion was at ... More

CAPE CANAVERAL, Fla. – In High Bay 1 in the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, the tail service masts on the mobile launcher platform flank space shuttle Endeavour as preparations are under way to attach it to its external fuel tank and solid rocket boosters. Rollout of the stack to Kennedy’s Launch Pad 39A, a significant milestone in launch processing activities, is planned for early January 2010. The Italian-built Tranquility module, the primary payload for Endeavour's STS-130 mission, will be installed in the payload bay after the shuttle arrives at the pad. Launch is targeted for early February. For information on the STS-130 mission and crew, visit http://www.nasa.gov/mission_pages/shuttle/shuttlemissions/sts130/index.html. Photo credit: NASA/Jack Pfaller KSC-2009-6778

CAPE CANAVERAL, Fla. – In High Bay 1 in the Vehicle Assembly Building ...

CAPE CANAVERAL, Fla. – In High Bay 1 in the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida, the tail service masts on the mobile launcher platform flank space shuttle Endeavour as preparati... More