joseph

kennedy space center

nasa

tanner

sts

heidemarie

stefanyshyn piper

truss

joseph tanner

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KENNEDY SPACE CENTER, FLA. - The STS-115 crew members stride out of the Operations and Checkout Building eager to get to Launch Pad 39B and the start of their mission to the International Space Station. This is the second attempt at launch after a week's postponement due to weather and technical concerns. On the left side, front to back, are Pilot Christopher Ferguson and Mission Specialists Steven MacLean and Heidemarie Stefanyshyn-Piper. On the right side, front to back, are Commander Brent Jett and Mission Specialists Daniel Burbank and Joseph Tanner. On its second attempt for launch, Atlantis is scheduled to lift off at 11:41 a.m. EDT today from Launch Pad 39B. During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the ISS. STS-115 is scheduled to last 11 days with a planned landing at KSC. Photo credit: NASA/Kim Shiflett KSC-06pd2088

KENNEDY SPACE CENTER, FLA. - The STS-115 crew members stride out of ...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew members stride out of the Operations and Checkout Building eager to get to Launch Pad 39B and the start of their mission to the International Space Station. This ... More

KENNEDY SPACE CENTER, FLA. - In the Space Station Processing Facility, STS-115 Mission Specialists Heidemarie Stefanyshyn-Piper (left) and Joseph Tanner (center) get ready to check out the Japanese Experiment Module (JEM) Pressurized Module. Known as Kibo, the JEM consists of six components: two research facilities -- the Pressurized Module and Exposed Facility; a Logistics Module attached to each of them; a Remote Manipulator System; and an Inter-Orbit Communication System unit. Kibo also has a scientific airlock through which experiments are transferred and exposed to the external environment of space. The various components of JEM will be assembled in space over the course of three Space Shuttle missions. The STS-115 mission will deliver the second port truss segment, the P3/P4 Truss, to attach to the first port truss segment, the P1 Truss, as well as deploy solar array sets 2A and 4A.. The crew is scheduled to activate and check out the Solar Alpha Rotary Joint (SARJ) and deploy the P4 Truss radiator.

KENNEDY SPACE CENTER, FLA. - In the Space Station Processing Facility,...

KENNEDY SPACE CENTER, FLA. - In the Space Station Processing Facility, STS-115 Mission Specialists Heidemarie Stefanyshyn-Piper (left) and Joseph Tanner (center) get ready to check out the Japanese Experiment M... More

KENNEDY SPACE CENTER, FLA. - The STS-115 crew is in the White Room on the orbiter access arm on Launch Pad 39B to get instruction on using the emergency egress system. From left are Commander Brent Jett, Pilot Chris Ferguson, and Mission Specialists Heidemarie Stefanyshyn-Piper, Joseph Tanner, Steven MacLean and Daniel Burbank. MacLean is with the Canadian Space Agency. The White Room provides access into the orbiter through the crew access hatch. The mission crew is at KSC for Terminal Countdown Demonstration Test (TCDT) activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1774

KENNEDY SPACE CENTER, FLA. - The STS-115 crew is in the White Room o...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew is in the White Room on the orbiter access arm on Launch Pad 39B to get instruction on using the emergency egress system. From left are Commander Brent Jett, Pilo... More

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 stop to talk to the media after arriving at NASA Kennedy Space Center's Shuttle Landing Facility to prepare for a second launch attempt on Sept. 6 to the International Space Station. Seen here, left to right, are Mission Specialists Steven MacLean and Joseph Tanner, Commander Brent Jett, Pilot Christopher Ferguson, and Mission Specialists Heidemarie Stefanyshyn-Piper and Daniel Burbank. Mission managers cancelled Atlantis' first launch campaign due to a lightning strike at the pad and the passage of Tropical Storm Ernesto along Florida's east coast. The mission will deliver and install the 17-and-a-half-ton P3/P4 truss segment to the port side of the integrated truss system on the orbital outpost. The truss includes a new set of photovoltaic solar arrays. When unfurled to their full length of 240 feet, the arrays will provide additional power for the station in preparation for the delivery of international science modules over the next two years. STS-115 is expected to last 11 days and includes three scheduled spacewalks. Photo credit: NASA/Kim Shiflett KSC-06pd2012

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 stop to talk ...

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 stop to talk to the media after arriving at NASA Kennedy Space Center's Shuttle Landing Facility to prepare for a second launch attempt on Sept. 6 to the... More

Leaving the Operations and Checkout Building, the STS-97 crew hurries toward the waiting Astrovan that will take them to Launch Pad 39B. Starting at left, they are Mission Specialists Carlos Noriega, Joseph Tanner and Marc Garneau; Pilot Michael Bloomfield; and Commander Brent Jett. Garneau is with the Canadian Space Agency. Mission STS-97 is the sixth construction flight to the International Space Station. It is transporting the P6 Integrated Truss Structure that comprises Solar Array Wing-3 and the Integrated Electronic Assembly, to be installed on the Space Station. The solar arrays are mounted on a “blanket” that can be folded like an accordion for delivery. Once in orbit, astronauts will deploy the blankets to their full size. The 11-day mission includes two spacewalks to complete the solar array connections. The Station’s electrical power system will use eight photovoltaic solar arrays, each 112 feet long by 39 feet wide, to convert sunlight to electricity. Gimbals will be used to rotate the arrays so that they will face the Sun to provide maximum power to the Space Station. Launch is scheduled for Nov. 30 at 10:06 p.m. EST KSC-00pp1785

Leaving the Operations and Checkout Building, the STS-97 crew hurries ...

Leaving the Operations and Checkout Building, the STS-97 crew hurries toward the waiting Astrovan that will take them to Launch Pad 39B. Starting at left, they are Mission Specialists Carlos Noriega, Joseph Tan... More

Eager to speed into space, the STS-97 crew hurries out of the Operations and Checkout Building for the ride to Launch Pad 39B. Leading the way are Pilot Michael Bloomfield (left) and Commander Brent Jett (right). In the middle is Mission Specialist Marc Garneau (waving), who is with the Canadian Space Agency. Behind are Mission Specialists Carlos Noriega (left, waving) and Joseph Tanner. Mission STS-97 is the sixth construction flight to the International Space Station. It is transporting the P6 Integrated Truss Structure that comprises Solar Array Wing-3 and the Integrated Electronic Assembly, to be installed on the Space Station. The solar arrays are mounted on a “blanket” that can be folded like an accordion for delivery. Once in orbit, astronauts will deploy the blankets to their full size. The 11-day mission includes two spacewalks to complete the solar array connections. The Station’s electrical power system will use eight photovoltaic solar arrays, each 112 feet long by 39 feet wide, to convert sunlight to electricity. Gimbals will be used to rotate the arrays so that they will face the Sun to provide maximum power to the Space Station. Launch is scheduled for Nov. 30 at 10:06 p.m. EST KSC-00pp1784

Eager to speed into space, the STS-97 crew hurries out of the Operatio...

Eager to speed into space, the STS-97 crew hurries out of the Operations and Checkout Building for the ride to Launch Pad 39B. Leading the way are Pilot Michael Bloomfield (left) and Commander Brent Jett (right... More

KENNEDY SPACE CENTER, FLA. -- In the Space Station Processing Facility, former President Jimmy Carter (center) pauses for a photo with astronauts Scott Kelly (left) and Joseph Tanner (right). Carter and former First Lady Rosalyn Carter are touring KSC KSC-02pd0014

KENNEDY SPACE CENTER, FLA. -- In the Space Station Processing Facilit...

KENNEDY SPACE CENTER, FLA. -- In the Space Station Processing Facility, former President Jimmy Carter (center) pauses for a photo with astronauts Scott Kelly (left) and Joseph Tanner (right). Carter and former... More

KENNEDY SPACE CENTER, FLA. -- During Crew Equipment Interface Test activities in the Space Station Processing Facility, STS-115 Mission Specialists Heidemarie Stefanyshyn-Piper and Joseph Tanner look at equipment. The mission will deliver the second port truss segment, the P3/P4 Truss, to attach to the first port truss segment, the P1 Truss, as well as deploy solar array set 2A and 4A. Launch on Space Shuttle Endeavour is scheduled for May 23, 2003. KSC-03pd0187

KENNEDY SPACE CENTER, FLA. -- During Crew Equipment Interface Test act...

KENNEDY SPACE CENTER, FLA. -- During Crew Equipment Interface Test activities in the Space Station Processing Facility, STS-115 Mission Specialists Heidemarie Stefanyshyn-Piper and Joseph Tanner look at equipme... More

KENNEDY SPACE CENTER, FLA. - In the Space Station Processing Facility at NASA's Kennedy Space Center, STS-115 Mission Specialists (foreground, from left) Daniel Burbank, Joseph Tanner, Heidemarie Stefanyshyn-Piper, and Steve Maclean are fit checking a sequential shunt unit, electronics control unit and multiplexer de-multiplexer launch to activation multi-layer installation blankets in a large Orbital Replaceable Unit transfer bag. They and other crew members are at the center for Crew Equipment Interface Test activities. Equipment familiarization is a routine part of astronaut training and launch preparations. The mission will deliver the second port truss segment, the P3/P4 Truss, to attach to the first port truss segment, the P1 Truss, as well as deploy solar array set 2A and 4A. Launch on Space Shuttle Atlantis is scheduled for late August. Photo credit: NASA/Kim Shiflett KSC-06pd1183

KENNEDY SPACE CENTER, FLA. - In the Space Station Processing Facilit...

KENNEDY SPACE CENTER, FLA. - In the Space Station Processing Facility at NASA's Kennedy Space Center, STS-115 Mission Specialists (foreground, from left) Daniel Burbank, Joseph Tanner, Heidemarie Stefanyshyn... More

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-115 crew members inspect equipment in Atlantis's payload bay. Mission Specialists Heidemarie Stefanyshyn-Piper (center) and Joseph Tanner look at the orbiter docking mechanism. The crew is at KSC for Crew Equipment Interface Test activities, which involves equipment familiarization, a routine part of astronaut training and launch preparations. The STS-115 mission will deliver the second port truss segment, the P3/P4 truss, to the International Space Station. The crew will attach the P3 to the first port truss segment, the P1 truss, as well as deploy solar array set 2A and 4A. Launch on Space Shuttle Atlantis is scheduled for late August. Photo credit: NASA/Kim Shiflett KSC-06pd1213

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility at NA...

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-115 crew members inspect equipment in Atlantis's payload bay. Mission Specialists Heidemarie Stefanyshyn-Pip... More

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-115 crew members inspect equipment in Atlantis's payload bay. Mission Specialists (at left) Joseph Tanner and (at right) Heidemarie Stefanyshyn-Piper look at the airlock. The crew is at KSC for Crew Equipment Interface Test activities, which involves equipment familiarization, a routine part of astronaut training and launch preparations. The STS-115 mission will deliver the second port truss segment, the P3/P4 truss, to the International Space Station. The crew will attach the P3 to the first port truss segment, the P1 truss, as well as deploy solar array set 2A and 4A. Launch on Space Shuttle Atlantis is scheduled for late August. Photo credit: NASA/Kim Shiflett KSC-06pd1209

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility at NA...

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-115 crew members inspect equipment in Atlantis's payload bay. Mission Specialists (at left) Joseph Tanner and... More

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-115 crew members inspect equipment in Atlantis's payload bay. At right are Mission Specialists Heidemarie Stefanyshyn-Piper and Joseph Tanner looking at the orbiter boom sensor system. The crew is at KSC for Crew Equipment Interface Test activities, which involves equipment familiarization, a routine part of astronaut training and launch preparations. The STS-115 mission will deliver the second port truss segment, the P3/P4 truss, to the International Space Station. The crew will attach the P3 to the first port truss segment, the P1 truss, as well as deploy solar array set 2A and 4A. Launch on Space Shuttle Atlantis is scheduled for late August. Photo credit: NASA/Kim Shiflett KSC-06pd1210

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility at NA...

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-115 crew members inspect equipment in Atlantis's payload bay. At right are Mission Specialists Heidemarie Ste... More

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS-115 crew members are examining the orbiter Atlantis, the designated launch vehicle for their mission. From left are Mission Specialists Daniel Burbank, Heidemarie Stefanyshyn-Piper and Joseph Tanner. The crew is at the center for Crew Equipment Interface Test activities, which involves equipment familiarization, a routine part of astronaut training and launch preparations. The mission will deliver the second port truss segment, the P3/P4 Truss, to attach to the first port truss segment, the P1 Truss, as well as deploy solar array set 2A and 4A. Launch on Space Shuttle Atlantis is scheduled for late August. Photo credit: NASA/Kim Shiflett KSC-06pd1184

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS...

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS-115 crew members are examining the orbiter Atlantis, the designated launch vehicle for their mission. From left are Mission Specialists Da... More

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS-115 crew members discuss their examination of the orbiter Atlantis, seen above them. From left are Mission Specialists Steven MacLean, who represents the Canadian Space Agency, Heidemarie Stefanyshyn-Piper, Daniel Burbank and Joseph Tanner. The crew is at the center for Crew Equipment Interface Test activities, which involves equipment familiarization, a routine part of astronaut training and launch preparations. The mission will deliver the second port truss segment, the P3/P4 Truss, to attach to the first port truss segment, the P1 Truss, as well as deploy solar array set 2A and 4A. Launch on Space Shuttle Atlantis is scheduled for late August. Photo credit: NASA/Kim Shiflett KSC-06pd1191

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS...

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS-115 crew members discuss their examination of the orbiter Atlantis, seen above them. From left are Mission Specialists Steven MacLean, who... More

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-115 crew members inspect equipment in Atlantis's payload bay. Mission Specialists Heidemarie Stefanyshyn-Piper (center) and Joseph Tanner (right) look at the orbiter boom sensor system. The crew is at KSC for Crew Equipment Interface Test activities, which involves equipment familiarization, a routine part of astronaut training and launch preparations. The STS-115 mission will deliver the second port truss segment, the P3/P4 truss, to the International Space Station. The crew will attach the P3 to the first port truss segment, the P1 truss, as well as deploy solar array set 2A and 4A. Launch on Space Shuttle Atlantis is scheduled for late August. Photo credit: NASA/Kim Shiflett KSC-06pd1211

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility at NA...

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-115 crew members inspect equipment in Atlantis's payload bay. Mission Specialists Heidemarie Stefanyshyn-Pipe... More

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS-115 crew members examine the edge of the wing on the orbiter Atlantis, the designated launch vehicle for their mission. From left are Mission Specialists Steven MacLean, who represents the Canadian Space Agency, and Joseph Tanner. The crew is at the center for Crew Equipment Interface Test activities, which involves equipment familiarization, a routine part of astronaut training and launch preparations. The mission will deliver the second port truss segment, the P3/P4 Truss, to attach to the first port truss segment, the P1 Truss, as well as deploy solar array set 2A and 4A. Launch on Space Shuttle Atlantis is scheduled for late August. Photo credit: NASA/Kim Shiflett KSC-06pd1192

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS-1...

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS-115 crew members examine the edge of the wing on the orbiter Atlantis, the designated launch vehicle for their mission. From left are Mission... More

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-115 crew members inspect equipment in Atlantis's payload bay. Mission Specialists Heidemarie Stefanyshyn-Piper (second from right) and Joseph Tanner (right) look at the orbiter boom sensor system. The crew is at KSC for Crew Equipment Interface Test activities, which involves equipment familiarization, a routine part of astronaut training and launch preparations. The STS-115 mission will deliver the second port truss segment, the P3/P4 truss, to the International Space Station. The crew will attach the P3 to the first port truss segment, the P1 truss, as well as deploy solar array set 2A and 4A. Launch on Space Shuttle Atlantis is scheduled for late August. Photo credit: NASA/Kim Shiflett KSC-06pd1212

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility at NA...

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility at NASA's Kennedy Space Center, STS-115 crew members inspect equipment in Atlantis's payload bay. Mission Specialists Heidemarie Stefanyshyn-Pipe... More

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS-115 crew members examine tiles on the orbiter Atlantis, the designated launch vehicle for their mission. From left are Mission Specialists Heidemarie Stefanyshyn-Piper, Joseph Tanner and Steven MacLean, who represents the Canadian Space Agency. The crew is at the center for Crew Equipment Interface Test activities, which involves equipment familiarization, a routine part of astronaut training and launch preparations. The mission will deliver the second port truss segment, the P3/P4 Truss, to attach to the first port truss segment, the P1 Truss, as well as deploy solar array set 2A and 4A. Launch on Space Shuttle Atlantis is scheduled for late August. Photo credit: NASA/Kim Shiflett KSC-06pd1189

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS-...

KENNEDY SPACE CENTER, FLA. - In the Orbiter Processing Facility, STS-115 crew members examine tiles on the orbiter Atlantis, the designated launch vehicle for their mission. From left are Mission Specialists ... More

KENNEDY SPACE CENTER, FLA. - After their arrival at KSC's Shuttle Landing Facility, the STS-115 crew poses for a photo after talking to the media. From left are Mission Specialists Daniel Burbank, Steven MacLean, Joseph Tanner and Heidemarie Stefanyshyn-Piper; Commander Brent Jett; and Pilot Christopher Ferguson. The STS-115 crew has flown to NASA's Kennedy Space Center to take part in Terminal Countdown Demonstration Test activities. The TCDT is a pre-launch preparation that includes practicing emergency egress from the pad, driving an M-113 armored personnel carrier, and simulating the launch countdown. Launch of STS-115 is currently scheduled for Aug. 27. Photo credit: NASA/George Shelton KSC-06pd1748

KENNEDY SPACE CENTER, FLA. - After their arrival at KSC's Shuttle Land...

KENNEDY SPACE CENTER, FLA. - After their arrival at KSC's Shuttle Landing Facility, the STS-115 crew poses for a photo after talking to the media. From left are Mission Specialists Daniel Burbank, Steven MacLe... More

KENNEDY SPACE CENTER, FLA. - STS-115 Commander Brent Jett introduces his crew to waiting media at KSC's Shuttle Landing Facility after their arrival from Houston. At left are Mission Specialists Daniel Burbank, Steven MacLean and Joseph Tanner; at right are Mission Specialist Heidemarie Stefanyshyn-Piper and Pilot Christopher Ferguson. The STS-115 crew has flown to NASA's Kennedy Space Center to take part in Terminal Countdown Demonstration Test activities. The TCDT is a pre-launch preparation that includes practicing emergency egress from the pad, driving an M-113 armored personnel carrier, and simulating the launch countdown. Launch of STS-115 is currently scheduled for Aug. 27. Photo credit: NASA/George Shelton KSC-06pd1747

KENNEDY SPACE CENTER, FLA. - STS-115 Commander Brent Jett introduces h...

KENNEDY SPACE CENTER, FLA. - STS-115 Commander Brent Jett introduces his crew to waiting media at KSC's Shuttle Landing Facility after their arrival from Houston. At left are Mission Specialists Daniel Burbank... More

KENNEDY SPACE CENTER, FLA. - After successfully completing their driving practice on the M-113 armored personnel carrier behind them, the STS-115 crew poses for a photo. From left are Pilot Christopher Ferguson, Mission Specialists Steven MacLean, Heidemarie Stefanyshyn-Piper, Joseph Tanner and Daniel Burbank, and Commander Brent Jett. The STS-115 crew are at NASA's Kennedy Space Center for Terminal Countdown Demonstration Test activities such as the M-113 training. They will also practice emergency egress from the launch pad and take part in a simulated launch countdown. Liftoff of mission STS-115 aboard Space Shuttle Atlantis is scheduled in a window beginning Aug. 27. Photo credit: NASA/Cory Huston KSC-06pd1763

KENNEDY SPACE CENTER, FLA. - After successfully completing their driv...

KENNEDY SPACE CENTER, FLA. - After successfully completing their driving practice on the M-113 armored personnel carrier behind them, the STS-115 crew poses for a photo. From left are Pilot Christopher Fergus... More

KENNEDY SPACE CENTER, FLA. - STS-115 crew members take another look at an M-113 armored personnel carrier that could be used to move quickly away from the launch pad in the event of an emergency. From left are Commander Brent Jett, Pilot Chris Ferguson and Mission Specialists Heidemarie Stefanyshyn-Piper and Joseph Tanner. In the foreground are Mission Specialists Daniel Burbank and Steven MacLean, who is with the Canadian Space Agency. The mission crew is at KSC for Terminal Countdown Demonstration Test (TCDT) activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1792

KENNEDY SPACE CENTER, FLA. - STS-115 crew members take another look ...

KENNEDY SPACE CENTER, FLA. - STS-115 crew members take another look at an M-113 armored personnel carrier that could be used to move quickly away from the launch pad in the event of an emergency. From left a... More

KENNEDY SPACE CENTER, FLA. - The STS-115 crew is in the White Room on the orbiter access arm on Launch Pad 39B to get instruction on using the emergency egress system. From left are Pilot Chris Ferguson, Commander Brent Jett, and Mission Specialists Heidemarie Stefanyshyn-Piper, Joseph Tanner, Steven MacLean and Daniel Burbank. MacLean is with the Canadian Space Agency. The White Room provides access into the orbiter through the crew access hatch. The mission crew is at KSC for Terminal Countdown Demonstration Test (TCDT) activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1773

KENNEDY SPACE CENTER, FLA. - The STS-115 crew is in the White Room o...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew is in the White Room on the orbiter access arm on Launch Pad 39B to get instruction on using the emergency egress system. From left are Pilot Chris Ferguson, Comm... More

KENNEDY SPACE CENTER, FLA. - The STS-115 crew responds to questions from the media at a press conference held on Launch Pad 39B. Seen left to right are Commander Brent Jett, Mission Specialist Steven MacLean, Pilot Chris Ferguson, and Mission Specialists Daniel Burbank, Heidemarie Stefanyshyn-Piper and Joseph Tanner. MacLean is with the Canadian Space Agency. The mission crew is at KSC for Terminal Countdown Demonstration Test activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. The TCDT culminates in a simulated launch countdown. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1770

KENNEDY SPACE CENTER, FLA. - The STS-115 crew responds to questions ...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew responds to questions from the media at a press conference held on Launch Pad 39B. Seen left to right are Commander Brent Jett, Mission Specialist Steven MacLea... More

KENNEDY SPACE CENTER, FLA. - The STS-115 crew poses for the media before a press conference on Launch Pad 39B. Seen left to right are Mission Specialist Steven MacLean, Commander Brent Jett, Mission Specialist Daniel Burbank, Pilot Chris Ferguson, and Mission Specialists Heidemarie Stefanyshyn-Piper and Joseph Tanner. MacLean is with the Canadian Space Agency. The mission crew is at KSC for Terminal Countdown Demonstration Test activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. Behind the crew is the shuttle, surrounded by the fixed and rotating service structures, with the orange external tank and while solid rocket boosters showing. The TCDT culminates in a simulated launch countdown. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1768

KENNEDY SPACE CENTER, FLA. - The STS-115 crew poses for the media be...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew poses for the media before a press conference on Launch Pad 39B. Seen left to right are Mission Specialist Steven MacLean, Commander Brent Jett, Mission Speciali... More

KENNEDY SPACE CENTER, FLA. - The STS-115 crew gets instructions about using the slidewire baskets for emergency egress from the space shuttle on the pad. From left are Commander Brent Jett and Mission Specialists Steven MacLean, Heidemarie Stefanyshyn-Piper and Joseph Tanner. MacLean is with the Canadian Space Agency. Not pictured are Pilot Chris Ferguson and Mission Specialist Daniel Burbank. The mission crew is at KSC for Terminal Countdown Demonstration Test (TCDT) activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1779

KENNEDY SPACE CENTER, FLA. - The STS-115 crew gets instructions abou...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew gets instructions about using the slidewire baskets for emergency egress from the space shuttle on the pad. From left are Commander Brent Jett and Mission Special... More

KENNEDY SPACE CENTER, FLA. - The STS-115 crew responds to questions from the media at a press conference held on Launch Pad 39B. Seen left to right are Commander Brent Jett, Mission Specialist Steven MacLean, Pilot Chris Ferguson, and Mission Specialist Daniel Burbank. Crew members not seen are Mission Specialists Heidemarie Stefanyshyn-Piper and Joseph Tanner. MacLean is with the Canadian Space Agency. The mission crew is at KSC for Terminal Countdown Demonstration Test activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. The TCDT culminates in a simulated launch countdown. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1771

KENNEDY SPACE CENTER, FLA. - The STS-115 crew responds to questions ...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew responds to questions from the media at a press conference held on Launch Pad 39B. Seen left to right are Commander Brent Jett, Mission Specialist Steven MacLean... More

KENNEDY SPACE CENTER, FLA. - The STS-115 crew responds to questions from the media at a press conference held on Launch Pad 39B. Seen left to right are Commander Brent Jett, Mission Specialist Steven MacLean, Pilot Chris Ferguson, and Mission Specialists Daniel Burbank, Heidemarie Stefanyshyn-Piper and Joseph Tanner. MacLean is with the Canadian Space Agency. The mission crew is at KSC for Terminal Countdown Demonstration Test activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. The TCDT culminates in a simulated launch countdown. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1772

KENNEDY SPACE CENTER, FLA. - The STS-115 crew responds to questions ...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew responds to questions from the media at a press conference held on Launch Pad 39B. Seen left to right are Commander Brent Jett, Mission Specialist Steven MacLean... More

KENNEDY SPACE CENTER, FLA. - The STS-115 crew gets instructions about using the slidewire baskets for emergency egress from the space shuttle on the pad. From left are Commander Brent Jett and Mission Specialists Steven MacLean, Heidemarie Stefanyshyn-Piper and Joseph Tanner, and Pilot Chris Ferguson. MacLean is with the Canadian Space Agency. Not pictured is Mission Specialist Daniel Burbank. The mission crew is at KSC for Terminal Countdown Demonstration Test (TCDT) activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1780

KENNEDY SPACE CENTER, FLA. - The STS-115 crew gets instructions abou...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew gets instructions about using the slidewire baskets for emergency egress from the space shuttle on the pad. From left are Commander Brent Jett and Mission Speci... More

KENNEDY SPACE CENTER, FLA. - The STS-115 crew responds to questions from the media at a press conference on Launch Pad 39B. Seen left to right are Commander Brent Jett, Mission Specialist Steven MacLean, Pilot Chris Ferguson, and Mission Specialists Daniel Burbank, Heidemarie Stefanyshyn-Piper and Joseph Tanner. MacLean is with the Canadian Space Agency. The mission crew is at KSC for Terminal Countdown Demonstration Test activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. The TCDT culminates in a simulated launch countdown. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1769

KENNEDY SPACE CENTER, FLA. - The STS-115 crew responds to questions...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew responds to questions from the media at a press conference on Launch Pad 39B. Seen left to right are Commander Brent Jett, Mission Specialist Steven MacLean, Pi... More

KENNEDY SPACE CENTER, FLA. - The STS-115 crew pauses for a photo during training on Launch Pad 39B. From left are Mission Commander Brent Jett, Pilot Chris Ferguson, and Mission Specialists Daniel Burbank, Steven MacLean, Heidemarie Stefanyshyn-Piper and Joseph Tanner. The mission crew is at KSC for Terminal Countdown Demonstration Test (TCDT) activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1781

KENNEDY SPACE CENTER, FLA. - The STS-115 crew pauses for a photo dur...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew pauses for a photo during training on Launch Pad 39B. From left are Mission Commander Brent Jett, Pilot Chris Ferguson, and Mission Specialists Daniel Burbank,... More

KENNEDY SPACE CENTER, FLA. - The STS-115 crew gets instructions about using the slidewire baskets for emergency egress from the space shuttle on the pad. In the front, at left, is Pilot Chris Ferguson; at right is Commander Brent Jett. The other crew members are Mission Specialists Heidemarie Stefanyshyn-Piper, Joseph Tanner and Daniel Burbank. MacLean is with the Canadian Space Agency. The mission crew is at KSC for Terminal Countdown Demonstration Test (TCDT) activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1777

KENNEDY SPACE CENTER, FLA. - The STS-115 crew gets instructions abou...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew gets instructions about using the slidewire baskets for emergency egress from the space shuttle on the pad. In the front, at left, is Pilot Chris Ferguson; at r... More

KENNEDY SPACE CENTER, FLA. - The STS-115 crew is in the White Room on the orbiter access arm on Launch Pad 39B to get instruction on using the emergency egress system. From left are Commander Brent Jett, Pilot Chris Ferguson, and Mission Specialists Heidemarie Stefanyshyn-Piper, Joseph Tanner, Steven MacLean and Daniel Burbank. MacLean is with the Canadian Space Agency. he White Room provides access into the orbiter through the crew access hatch. The mission crew is at KSC for Terminal Countdown Demonstration Test (TCDT) activities that are preparation for launch on Space Shuttle Atlantis, scheduled to take place in a window that opens Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1775

KENNEDY SPACE CENTER, FLA. - The STS-115 crew is in the White Room o...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew is in the White Room on the orbiter access arm on Launch Pad 39B to get instruction on using the emergency egress system. From left are Commander Brent Jett, Pil... More

KENNEDY SPACE CENTER, FLA. - In the payload changeout room on Launch Pad 39B, STS-115 crew members look over the mission payload one more time before launch. From left are mission specialists Heidemarie Stefanyshyn-Piper, Steven MacLean, representing the Canadian Space Agency, Daniel Burbank and Joseph Tanner. The mission crew has been at KSC to take part in Terminal Countdown Demonstration Test activities, which include emergency egress training, a simulated launch countdown and the payload familiarization. The TCDT is a prelaunch preparation for the mission that is scheduled to lift off in a window opening Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1849

KENNEDY SPACE CENTER, FLA. - In the payload changeout room on Launc...

KENNEDY SPACE CENTER, FLA. - In the payload changeout room on Launch Pad 39B, STS-115 crew members look over the mission payload one more time before launch. From left are mission specialists Heidemarie Stef... More

KENNEDY SPACE CENTER, FLA. - The STS-115 crew walks out of the Operations and Checkout Building to head for Launch Pad 39B. From left are Mission Specialists Heidemarie Stefanyshyn-Piper, Steven MacLean, Joseph Tanner and Daniel Burbank, Pilot Christopher Ferguson and Commander Brent Jett. They are taking part in a simulated launch countdown as part of the preparation for the liftoff of Space Shuttle Atlantis on mission STS-115, scheduled to take place in a window that opens Aug. 27. The mission crew has been at KSC for Terminal Countdown Demonstration Test (TCDT) activities, which include emergency egress training and the simulation. During their 11-day mission to the International Space Station, the crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1814

KENNEDY SPACE CENTER, FLA. - The STS-115 crew walks out of the Oper...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew walks out of the Operations and Checkout Building to head for Launch Pad 39B. From left are Mission Specialists Heidemarie Stefanyshyn-Piper, Steven MacLean, Jo... More

KENNEDY SPACE CENTER, FLA. - STS-115 Mission Specialists Steven MacLean (left) and Joseph Tanner are ready to release the slidewire basket on Launch Pad 39B, practicing emergency egress procedures. The activity follows a simulated launch countdown, part of Terminal Countdown Demonstration Test activities. The TCDT is a prelaunch preparation for the mission that is scheduled to lift off in a window opening Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1833

KENNEDY SPACE CENTER, FLA. - STS-115 Mission Specialists Steven MacL...

KENNEDY SPACE CENTER, FLA. - STS-115 Mission Specialists Steven MacLean (left) and Joseph Tanner are ready to release the slidewire basket on Launch Pad 39B, practicing emergency egress procedures. The activ... More

KENNEDY SPACE CENTER, FLA. - Following a simulated launch countdown and emergency egress practice, the STS-115 crew gathers on the 215-foot level of the fixed service structure on Launch Pad 39B. From left are Pilot Christopher Ferguson, Mission Specialists Heidemarie Stefanyshyn-Piper and Joseph Tanner, Commander Brent Jett, and Mission Specialists Steven MacLean and Daniel Burbank. MacLean is with the Canadian Space Agency. Behind them loom the top of Space Shuttle Atlantis' external tank and one of the solid rocket boosters. The TCDT is a prelaunch preparation for the mission that is scheduled to lift off in a window opening Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1839

KENNEDY SPACE CENTER, FLA. - Following a simulated launch countdown ...

KENNEDY SPACE CENTER, FLA. - Following a simulated launch countdown and emergency egress practice, the STS-115 crew gathers on the 215-foot level of the fixed service structure on Launch Pad 39B. From left ar... More

KENNEDY SPACE CENTER, FLA. - In the payload changeout room on Launch Pad 39B, STS-115 crew members look over the mission payload one more time before launch. Looking up at the payload from left, are mission specialists Steven MacLean, who represents the Canadian Space Agency, Heidemarie Stefanyshyn-Piper, Joseph Tanner, and Daniel Burbank. The mission crew has been at KSC to take part in Terminal Countdown Demonstration Test activities, which include emergency egress training, a simulated launch countdown and the payload familiarization. The TCDT is a prelaunch preparation for the mission that is scheduled to lift off in a window opening Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1852

KENNEDY SPACE CENTER, FLA. - In the payload changeout room on Launc...

KENNEDY SPACE CENTER, FLA. - In the payload changeout room on Launch Pad 39B, STS-115 crew members look over the mission payload one more time before launch. Looking up at the payload from left, are mission ... More

KENNEDY SPACE CENTER, FLA. - Inside Atlantis' cockpit, STS-115 Mission Specialists Heidemarie Stefanyshyn-Piper and Joseph Tanner are taking part in a simulated launch countdown, the culmination of Terminal Countdown Demonstration Test activities. The TCDT is a prelaunch preparation for the mission that is scheduled to lift off in a window opening Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. KSC-06pd1827

KENNEDY SPACE CENTER, FLA. - Inside Atlantis' cockpit, STS-115 Missi...

KENNEDY SPACE CENTER, FLA. - Inside Atlantis' cockpit, STS-115 Mission Specialists Heidemarie Stefanyshyn-Piper and Joseph Tanner are taking part in a simulated launch countdown, the culmination of Terminal C... More

KENNEDY SPACE CENTER, FLA. - Following a simulated launch countdown and emergency egress practice, the STS-115 crew gathers on the 215-foot level of the fixed service structure on Launch Pad 39B. From left are Pilot Christopher Ferguson, Mission Specialists Heidemarie Stefanyshyn-Piper and Joseph Tanner, Commander Brent Jett, and Mission Specialists Steven MacLean and Daniel Burbank. MacLean is with the Canadian Space Agency. The TCDT is a prelaunch preparation for the mission that is scheduled to lift off in a window opening Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1840

KENNEDY SPACE CENTER, FLA. - Following a simulated launch countdown ...

KENNEDY SPACE CENTER, FLA. - Following a simulated launch countdown and emergency egress practice, the STS-115 crew gathers on the 215-foot level of the fixed service structure on Launch Pad 39B. From left ar... More

KENNEDY SPACE CENTER, FLA. - In the payload changeout room on Launch Pad 39B, STS-115 crew members look over the mission payload one more time before launch. From left are mission specialists Heidemarie Stefanyshyn-Piper, Steven MacLean, representing the Canadian Space Agency, Daniel Burbank and Joseph Tanner. The mission crew has been at KSC to take part in Terminal Countdown Demonstration Test activities, which include emergency egress training, a simulated launch countdown and the payload familiarization. The TCDT is a prelaunch preparation for the mission that is scheduled to lift off in a window opening Aug. 27. During their 11-day mission to the International Space Station, the STS-115 crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo credit: NASA/Cory Huston KSC-06pd1848

KENNEDY SPACE CENTER, FLA. - In the payload changeout room on Launc...

KENNEDY SPACE CENTER, FLA. - In the payload changeout room on Launch Pad 39B, STS-115 crew members look over the mission payload one more time before launch. From left are mission specialists Heidemarie Stef... More

KENNEDY SPACE CENTER, FLA. - The STS-115 crew walks out of the Operations and Checkout Building to head for Launch Pad 39B. Leading the way on the left is Pilot Christopher Ferguson; behind him are Mission Specialists Steven MacLean and Heidemarie Stefanyshyn-Piper. Leading on the right is Commander Brent Jett; behind him re Mission Specialists Daniel Burbank and Joseph Tanner. MacLean is with the Canadian Space Agency. They are taking part in a simulated launch countdown as part of the preparation for the liftoff of Space Shuttle Atlantis on mission STS-115, scheduled to take place in a window that opens Aug. 27. The mission crew has been at KSC for Terminal Countdown Demonstration Test (TCDT) activities, which include emergency egress training and the simulation. During their 11-day mission to the International Space Station, the crew will continue construction of the station and attach the payload elements, the Port 3/4 truss segment with its two large solar arrays. Photo courtesy of Scott Andrews/Nikon KSC-06pd1815

KENNEDY SPACE CENTER, FLA. - The STS-115 crew walks out of the Opera...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew walks out of the Operations and Checkout Building to head for Launch Pad 39B. Leading the way on the left is Pilot Christopher Ferguson; behind him are Mission S... More

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 stop to talk to the media after arriving at NASA Kennedy Space Center's Shuttle Landing Facility to prepare for launch on Aug. 27 to the International Space Station. Seen here, left to right, are Mission Specialists Steven MacLean and Daniel Burbank, Pilot Christopher Ferguson, Commander Brent Jett, and Mission Specialists Heidemarie Stefanyshyn-Piper and Joseph Tanner. The mission will deliver and install the 17-and-a-half-ton P3/P4 truss segment to the port side of the integrated truss system on the orbital outpost. The truss includes a new set of photovoltaic solar arrays. When unfurled to their full length of 240 feet, the arrays will provide additional power for the station in preparation for the delivery of international science modules over the next two years. STS-115 is expected to last 11 days and includes three scheduled spacewalks. Photo credit: NASA/Kim Shiflett KSC-06pd1900

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 stop to talk...

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 stop to talk to the media after arriving at NASA Kennedy Space Center's Shuttle Landing Facility to prepare for launch on Aug. 27 to the International S... More

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 arrives at NASA Kennedy Space Center's Shuttle Landing Facility to prepare for launch on Aug. 27 to the International Space Station. They have paused to talk to the media before heading to crew quarters in the Operations and Checkout Building. From left are Mission Specialists Steven MacLean, Joseph Tanner and Heidemarie Stefanyshyn-Piper, Commander Brent Jett, Pilot Christopher Ferguson and Mission Specialist Daniel Burbank. MacLean represents the Canadian Space Agency. The mission will deliver and install the 17-and-a-half-ton P3/P4 truss segment to the port side of the integrated truss system on the orbital outpost. The truss includes a new set of photovoltaic solar arrays. When unfurled to their full length of 240 feet, the arrays will provide additional power for the station in preparation for the delivery of international science modules over the next two years. STS-115 is expected to last 11 days and includes three scheduled spacewalks. Photo credit: NASA/Kim Shiflett KSC-06pd1897

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 arrives at...

KENNEDY SPACE CENTER, FLA. - The crew of mission STS-115 arrives at NASA Kennedy Space Center's Shuttle Landing Facility to prepare for launch on Aug. 27 to the International Space Station. They have paused... More

KENNEDY SPACE CENTER, FLA. - The STS-115 crew members walk toward the Astrovan that will take them to Launch Pad 39B. Seen left to right are Mission Specialists Heidemarie Stefanyshyn-Piper, Steven MacLean, Joseph Tanner and Daniel Burbank; Pilot Christopher Ferguson; and Commander Brent Jett. This is the second attempt at launch after a week's postponement due to weather and technical concerns. Atlantis is scheduled to lift off at 11:41 a.m. EDT on this date from Launch Pad 39B. During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the ISS. STS-115 is scheduled to last 11 days with a planned landing at KSC. Photo credit: NASA/Kim Shiflett KSC-06pd2089

KENNEDY SPACE CENTER, FLA. - The STS-115 crew members walk toward th...

KENNEDY SPACE CENTER, FLA. - The STS-115 crew members walk toward the Astrovan that will take them to Launch Pad 39B. Seen left to right are Mission Specialists Heidemarie Stefanyshyn-Piper, Steven MacLean, ... More

KENNEDY SPACE CENTER, FLA. - The STS-115 mission crew respond to well-wishers as they head to the Astrovan for the ride to Launch Pad 39B. From left are Pilot Christopher Ferguson, Mission Specialists Steven MacLean, Heidemarie Stefanyshyn-Piper, Daniel Burbank and Joseph Tanner (hidden), and Commander Brent Jett. The crew is eager for another attempt at liftoff after the Sept. 8 scrub. The launch attempt on Sept. 8 was scrubbed due to an issue with a fuel cut-off sensor system inside the external fuel tank. This is one of several systems that protect the shuttle's main engines by triggering their shutdown if fuel runs unexpectedly low. During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the ISS. STS-115 is scheduled to last 11 days with a planned landing at KSC. Photo credit: NASA/Kim Shiflett KSC-06pd2104

KENNEDY SPACE CENTER, FLA. - The STS-115 mission crew respond to well-...

KENNEDY SPACE CENTER, FLA. - The STS-115 mission crew respond to well-wishers as they head to the Astrovan for the ride to Launch Pad 39B. From left are Pilot Christopher Ferguson, Mission Specialists Steven M... More

KENNEDY SPACE CENTER, FLA. - After a week's delay of launching due to weather and technical issues, the crew of mission STS-115 have had the traditional breakfast before their third attempt to launch on Space Shuttle Atlantis. Seated left to right are Mission Specialists Heidemarie Stefanyshyn-Piper and Joseph Tanner, Commander Brent Jett, Pilot Christopher Ferguson and Mission Specialists Steven MacLean and Daniel Burbank. MacLean is with the Canadian Space Agency. The launch attempt on Sept. 8 was scrubbed due to an issue with a fuel cut-off sensor system inside the external fuel tank. This is one of several systems that protect the shuttle's main engines by triggering their shutdown if fuel runs unexpectedly low. Following the breakfast, the crew will don their launch suits before heading to Launch Pad 39B. During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the ISS. STS-115 is scheduled to last 11 days with a planned landing at KSC. Photo credit: NASA/Kim Shiflett KSC-06pd2090

KENNEDY SPACE CENTER, FLA. - After a week's delay of launching due t...

KENNEDY SPACE CENTER, FLA. - After a week's delay of launching due to weather and technical issues, the crew of mission STS-115 have had the traditional breakfast before their third attempt to launch on Space... More

KENNEDY SPACE CENTER, FLA. - After suiting up, the STS-115 mission crew exits the Operations and Checkout Building to board the Astrovan to Launch Pad 39B. On the left, front to back, are Pilot Christopher Ferguson and Mission Specialists Steven MacLean and Heidemarie Stefanyshyn-Piper. On the right, front to back, are Commander Brent Jett and Mission Specialists Daniel Burbank and Joseph Tanner. The launch attempt on Sept. 8 was scrubbed due to an issue with a fuel cut-off sensor system inside the external fuel tank. This is one of several systems that protect the shuttle's main engines by triggering their shutdown if fuel runs unexpectedly low. During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the ISS. STS-115 is scheduled to last 11 days with a planned landing at KSC. Photo credit: NASA/Kim Shiflett KSC-06pd2106

KENNEDY SPACE CENTER, FLA. - After suiting up, the STS-115 mission cre...

KENNEDY SPACE CENTER, FLA. - After suiting up, the STS-115 mission crew exits the Operations and Checkout Building to board the Astrovan to Launch Pad 39B. On the left, front to back, are Pilot Christopher Fer... More

KENNEDY SPACE CENTER, FLA. - The STS-115 mission crew happily heads to the Astrovan for the ride to Launch Pad 39B and another attempt at liftoff. From the left, in the back row are Mission Specialists Heidemarie Stefanyshyn-Piper and Joseph Tanner; in the center row are Mission Specialists Steven MacLean and Daniel Burbank; in the front row leading the way are Pilot Christopher Ferguson and Commander Brent Jett. The launch attempt on Sept. 8 was scrubbed due to an issue with a fuel cut-off sensor system inside the external fuel tank. This is one of several systems that protect the shuttle's main engines by triggering their shutdown if fuel runs unexpectedly low. During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the ISS. STS-115 is scheduled to last 11 days with a planned landing at KSC. Photo credit: NASA/Kim Shiflett KSC-06pd2105

KENNEDY SPACE CENTER, FLA. - The STS-115 mission crew happily heads t...

KENNEDY SPACE CENTER, FLA. - The STS-115 mission crew happily heads to the Astrovan for the ride to Launch Pad 39B and another attempt at liftoff. From the left, in the back row are Mission Specialists Heidem... More

KENNEDY SPACE CENTER, FLA. - After suiting up, the STS-115 mission crew enthusiastically greet the onlookers as they head to the Astrovan for the ride to Launch Pad 39B. From left are Mission Specialist Heidemarie Stefanyshyn-Piper, Steven MacLean, Joseph Tanner, Pilot Christopher Ferguson and Daniel Burbank. Not seen is Commander Brent Jett. The crew is eager for another attempt at liftoff after the Sept. 8 scrub. The launch attempt on Sept. 8 was scrubbed due to an issue with a fuel cut-off sensor system inside the external fuel tank. This is one of several systems that protect the shuttle's main engines by triggering their shutdown if fuel runs unexpectedly low. During the STS-115 mission, Atlantis' astronauts will deliver and install the 17.5-ton, bus-sized P3/P4 integrated truss segment on the station. The girder-like truss includes a set of giant solar arrays, batteries and associated electronics and will provide one-fourth of the total power-generation capability for the completed station. This mission is the 116th space shuttle flight, the 27th flight for orbiter Atlantis, and the 19th U.S. flight to the ISS. STS-115 is scheduled to last 11 days with a planned landing at KSC. Photo credit: NASA/Kim Shiflett KSC-06pd2107

KENNEDY SPACE CENTER, FLA. - After suiting up, the STS-115 mission cre...

KENNEDY SPACE CENTER, FLA. - After suiting up, the STS-115 mission crew enthusiastically greet the onlookers as they head to the Astrovan for the ride to Launch Pad 39B. From left are Mission Specialist Heidem... More

KENNEDY SPACE CENTER, FLA. - After their return from space, the STS-115 crew members are exiting the crew transport vehicle on the Shuttle Landing Facility. First out is Commander Brent Jett. Behind him, still inside, are Mission Specialists Heidemarie Stefanyshyn-Piper and Joseph Tanner. During the mission, astronauts completed three spacewalks to attach the P3/P4 integrated truss structure to the International Space Station. Main gear touchdown was at 6:21:30 a.m. EDT. Nose gear touchdown was at 6:21:36 a.m. and wheel stop was at 6:22:16 a.m. At touchdown -- nominally about 2,500 ft. beyond the runway threshold -- the orbiter is traveling at a speed ranging from 213 to 226 mph. Atlantis traveled 4.9 million miles, landing on orbit 187. Mission elapsed time was 11 days, 19 hours, six minutes. This is the 15th night landing at KSC and the 23rd night landing overall. Photo credit: NASA/Kim Shiflett KSC-06pd2197

KENNEDY SPACE CENTER, FLA. - After their return from space, the STS-11...

KENNEDY SPACE CENTER, FLA. - After their return from space, the STS-115 crew members are exiting the crew transport vehicle on the Shuttle Landing Facility. First out is Commander Brent Jett. Behind him, stil... More

KENNEDY SPACE CENTER, FLA. - After a safe landing aboard Atlantis on Runway 33 of the Shuttle Landing Facility, the STS-115 crew greets the media. At the microphone is Commander Brent Jett. Behind him, left to right, are Mission Specialist Daniel Burbank, Pilot Christopher Ferguson and Mission Specialists Steven MacLean, Joseph Tanner and Heidemarie Stefanyshyn-Piper. During the mission, astronauts completed three spacewalks to attach the P3/P4 integrated truss structure to the International Space Station. Main gear touchdown was at 6:21:30 a.m. EDT. Nose gear touchdown was at 6:21:36 a.m. and wheel stop was at 6:22:16 a.m. Atlantis traveled 4.9 million miles, landing on orbit 187. Mission elapsed time was 11 days, 19 hours, six minutes. This is the 15th night landing at KSC and the 23rd night landing overall. Photo credit: NASA/Kim Shiflett KSC-06pd2206

KENNEDY SPACE CENTER, FLA. - After a safe landing aboard Atlantis on R...

KENNEDY SPACE CENTER, FLA. - After a safe landing aboard Atlantis on Runway 33 of the Shuttle Landing Facility, the STS-115 crew greets the media. At the microphone is Commander Brent Jett. Behind him, left t... More