Commander Christopher Ferguson (left) and Mission Specialist Heidemarie Stefanyshyn-Piper, both members of the STS-126 shuttle mission, sign autographs for Stennis employees Jan. 13 during a visit to StenniSphere.

Commander Christopher Ferguson (right) and Mission Specialist Heidemarie Stefanyshyn-Piper, both members of the STS-126 shuttle mission, share highlights of their trip to the International Space Station during their Jan. 13 visit to StenniSphere.

Media members interview Commander Christopher Ferguson (right) during his Jan. 13 visit to StenniSphere. He was joined by Mission Specialist Heidemarie Stefanyshyn-Piper (on stage, left), both members of the STS-126 shuttle mission.

Stennis Space Center Director Gene Goldman (center) stands with astronauts Christopher Ferguson (right) and Heidemarie Stefanyshyn-Piper in front of the A-2 Test Stand during the space shuttle crew members' visit to NASA's rocket engine testing facility Jan. 13. During their visit, Ferguson and Stefanyshyn-Piper reported on the STS-126 space shuttle delivery and servicing mission to the International Space Station. Ferguson served as commander of the mission. Stefanyshyn-Piper served as a mission specialist.

S97-06558 (22 Aug. 1997) --- Astronaut Heidemarie M. Stefanyshyn-Piper, mission specialist.

JSC2003-E-30910 (13 March 2003) --- Astronaut Heidemarie M. Stefanyshyn-Piper, mission specialist

JSC2003-E-30909 (13 March 2003) --- Astronaut Heidemarie M. Stefanyshyn-Piper, mission specialist

JOHNSON SPACE CENTER, TX - JSC2003-E-30910 (March 13, 2003) -- Astronaut Heidemarie M. Stefanyshyn-Piper, mission specialist, on mission STS-126.

S126-E-011521 (26 Nov. 2008) --- Astronaut Heidemarie Stefanyshyn-Piper, STS-126 mission specialist, works with transfer of supplies in the Columbus lab of the International Space Station.

S115-E-06786 (17 Sept. 2006) --- Astronaut Heidemarie M. Stefanyshyn-Piper, STS-115 mission specialist, works out on a bicycle ergometer on the middeck of the Space Shuttle Atlantis.

S126-E-011522 (26 Nov. 2008) --- Astronaut Heidemarie Stefanyshyn-Piper, STS-126 mission specialist, works with transfer of supplies in the Columbus lab of the International Space Station.

S126-E-008304 (19 Nov. 2008) --- Astronaut Heidemarie Stefanyshyn-Piper, STS-126 mission specialist, works with Group Activation Packs (GAP) on the middeck of Space Shuttle Endeavour while docked with the International Space Station.

S115-E-07208 (19 Sept. 2006) --- Astronaut Heidemarie M. Stefanyshyn-Piper, STS-115 mission specialist, washes her hair on the middeck of the Space Shuttle Atlantis.

S115-E-05288 (9 Sept. 2006) --- Astronaut Heidemarie M. Stefanyshyn-Piper, STS-115 mission specialist, on mid deck of Atlantis before doffing her launch and entry suit.

S126-E-008311 (19 Nov. 2008) --- Astronaut Heidemarie Stefanyshyn-Piper, STS-126 mission specialist, makes notations on the middeck of Space Shuttle Endeavour while docked with the International Space Station.

S126-E-006680 (14 Nov. 2008) --- Astronaut Heidemarie Stefanyshyn-Piper, STS-126 mission specialist, takes a moment for a photo on the flight deck of Space Shuttle Endeavour during post launch activities.

S126-E-005067 (14 Nov. 2008) --- Astronaut Heidemarie Stefanyshyn-Piper, STS-126 mission specialist, works on the middeck of Space Shuttle Endeavour during post launch activities.

S126-E-007519 (15 Nov. 2008) --- Astronaut Heidemarie Stefanyshyn-Piper, STS-126 mission specialist, works among stowage bags on the middeck of Space Shuttle Endeavour during flight day two activities.

S126-E-008892 (21 Nov. 2008) --- This image, recorded in the late evening hours of Nov. 21, Houston time, shows astronaut Heidemarie Stefanyshyn-Piper on the mid deck of the Space Shuttle Endeavour. Just a few hours after this photo was taken, Stefanyshyn-Piper was one of two astronauts who started prepping for the joint crews' third spacewalk (and Stefanyshyn-Piper's third) of the week. Members of the shuttle and station crews, commanded by astronauts Chris Ferguson and Michael Fincke, respectively, are spending close to two weeks in space together, accomplishing home improvement chores and a number of other tasks.

JSC2002-E-37426 (6 September 2002) --- Astronaut Heidemarie M. Stefanyshyn-Piper, STS-115 mission specialist, is submerged in the waters of the Neutral Buoyancy Laboratory (NBL) at the Johnson Space Center (JSC). Stefanyshyn-Piper is wearing the training version of the Extravehicular Mobility Unit (EMU) space suit. SCUBA-equipped divers are in the water to assist the astronauts in their rehearsal, intended to help prepare them for work on the exterior of the International Space Station (ISS).

JSC2008-E-044936 (3 June 2008) --- Astronauts Heidemarie M. Stefanyshyn-Piper and Robert S. (Shane) Kimbrough, both STS-126 mission specialists, prepare for a Full Fuselage Trainer (FFT) mockup (out of frame) training session in the Space Vehicle Mockup Facility at NASA's Johnson Space Center. Stefanyshyn-Piper and Kimbrough are wearing training versions of their shuttle launch and entry suits.

S115-E-06070 (15 Sept. 2006) --- Attired in their extravehicular mobility unit (EMU) spacesuits, astronauts Heidemarie M. Stefanyshyn-Piper (left) and Joseph R. Tanner, both STS-115 mission specialists, prepare for the mission's third session of extravehicular activity (EVA) in the Quest Airlock of the International Space Station while the Space Shuttle Atlantis was docked with the station. Astronaut Brent W. Jett, Jr., commander, assisted Stefanyshyn-Piper and Tanner.

JSC2002-E-37422 (6 September 2002) --- Astronaut Heidemarie M. Stefanyshyn-Piper, STS-115 mission specialist, is photographed as the final touches are made on the training version of her Extravehicular Mobility Unit (EMU) spacesuit prior to being submerged in the waters of the Neutral Buoyancy Laboratory (NBL) near the Johnson Space Center (JSC). Astronaut Brent W. Jett, Jr., mission commander, assisted Stefanyshyn-Piper.

JSC2005-E-19181 (11 May 2005) --- Astronaut Heidemarie M. Stefanyshyn-Piper, STS-115 mission specialist, puts final touches on her suit-donning process prior to the start of a water survival training session in the Neutral Buoyancy Laboratory (NBL) near Johnson Space Center. Stefanyshyn-Piper is wearing a training version of the shuttle launch and entry suit.

JSC2002-E-51049 (16 Dec. 2002) --- Astronaut Heidemarie M. Stefanyshyn-Piper, STS-115 mission specialist, uses specialized gear during a training session in the virtual reality lab at the Johnson Space Center (JSC) to rehearse some of her duties on the upcoming mission to the International Space Station (ISS). David J. Homan assisted Stefanyshyn-Piper.

S115-E-05750 (12 Sept. 2006) --- Astronaut Joseph R. Tanner, STS-115 mission specialist, looks toward the digital still camera of his space walk colleague, astronaut Heidemarie M. Stefanyshyn-Piper as the two share extravehicular activity (EVA) duties during the first of three scheduled spacewalks. Stefanyshyn-Piper's full body is reflected as a tiny figure in Tanner's helmet visor. The STS-115 astronauts and the Expedition 13 crew members are joining efforts this week to resume construction of the International Space Station.

JSC2008-E-031880 (3 April 2008) --- Astronauts Heidemarie M. Stefanyshyn-Piper and Stephen G. Bowen (partially obscured), both STS-126 mission specialists, are about to be submerged in the waters of the Neutral Buoyancy Laboratory (NBL) near NASA's Johnson Space Center. Stefanyshyn-Piper and Bowen are attired in training versions of the Extravehicular Mobility Unit (EMU) spacesuit. Divers (out of frame) are in the water to assist the crewmembers in their rehearsal, intended to help prepare them for work on the exterior of the International Space Station.

KENNEDY SPACE CENTER, FLA. - STS-115 Mission Specialist Heidemarie Stefanyshyn-Piper talks to workers in the Space Station Processing Facility. She and other crew members are at KSC for hardware familiarization. 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 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.

CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, STS-126 crew members sign autographs for Kennedy workers who attended the astronauts' presentation of their experiences during the mission. Mission Specialist Shane Kimbrough is at left. In the background is Mission Specialist Heidemarie Stefanyshyn-Piper. Photo credit: NASA/Dimitrios Gerondidakis

S115-E-05312 (10 Sept. 2006) --- Astronaut Heidemarie M. Stefanyshyn-Piper, STS-115 mission specialist, refers to a manual on the middeck of the Space Shuttle Atlantis during activities on the second flight day. Astronaut Brent W. Jett Jr., commander, is partially in the frame at left.

S115-E-05554 (12 Sept. 2006) --- Astronauts Joseph R. Tanner (image center) and Heidemarie M. Stefanyshyn-Piper (partially obscured, lower left), both STS-115 mission specialists, participate in the first of three sessions of extravehicular activity (EVA) as construction resumes on the International Space Station.

ISS018-E-009278 (18 Nov. 2008) --- Astronaut Heidemarie Stefanyshyn-Piper, STS-126 mission specialist, attired in her Extravehicular Mobility Unit (EMU) spacesuit, awaits the start of the mission's first scheduled session of extravehicular activity (EVA) in the Quest Airlock of the International Space Station.

S126-E-005026 (14 Nov. 2008) --- Astronaut Heidemarie Stefanyshyn-Piper, STS-126 mission specialist, attired in her shuttle launch and entry suit, is pictured on the middeck of Space Shuttle Endeavour during post launch activities.

S115-E-05760 (12 Sept. 2006) --- Astronaut Heidemarie M. Stefanyshyn-Piper, STS-115 mission specialist, waves to the camera while participating in the first of three sessions of extravehicular activity (EVA) as construction resumes on the International Space Station.

JSC2005-E-17974 (4 May 2005) --- Astronaut Heidemarie M. Stefanyshyn-Piper, STS-115 mission specialist, participates in an exercise in the systems engineering simulator at Johnson Space Center. The facility includes moving scenes of full-sized international space station components over a simulated Earth.

JSC2005-E-47398 (12 Dec. 2005) --- Astronaut Heidemarie M. Stefanyshyn-Piper, STS-115 mission specialist, attired in a training version of the shuttle launch and entry suit, awaits the start of post insertion training session in the Space Vehicle Mockup Facility at the Johnson Space Center.

JSC2008-E-031871 (3 April 2008) --- Astronaut Heidemarie M. Stefanyshyn-Piper, STS-126 mission specialist, makes final touches on a training version of her Extravehicular Mobility Unit (EMU) spacesuit in preparation for a training session in the waters of the Neutral Buoyancy Laboratory (NBL) near NASA's Johnson Space Center.

S126-E-009200 (23 Nov. 2008) --- Astronauts Eric Boe (right foreground), STS-126 pilot; Shane Kimbrough and Heidemarie Stefanyshyn-Piper, both mission specialists, work in the Unity node of the International Space Station while Space Shuttle Endeavour remains docked with the station.

S115-E-06104 (15 Sept. 2006) --- In the center of this panoramic scene of new hardware on the International Space Station, astronaut Heidemarie M. Stefanyshyn-Piper, mission specialist, participates in the final of three scheduled STS-115 space walks.

S126-E-008302 (19 Nov. 2008) --- Astronaut Heidemarie M. Stefanyshyn-Piper, STS-126 mission specialist, works with the Microbe Group Activation Pack containing eight Fluid Processing Apparatuses on the middeck of Space Shuttle Endeavour while docked with the International Space Station.

JSC2008-E-024345 (28 Feb. 2008) --- Attired in a training version of her shuttle launch and entry suit, astronaut Heidemarie M. Stefanyshyn-Piper, STS-126 mission specialist, awaits the start of a training session in the Space Vehicle Mockup Facility at Johnson Space Center.

JSC2005-E-19183 (11 May 2005) --- Astronaut Heidemarie M. Stefanyshyn-Piper, STS-115 mission specialist, attired in a training version of the shuttle launch and entry suit, awaits the start of a water survival training session in the Neutral Buoyancy Laboratory (NBL) near Johnson Space Center.

ISS013-E-82298 (17 Sept. 2006) --- Astronauts Christopher J. Ferguson (left), STS-115 pilot; Joseph R. Tanner and Heidemarie M. Stefanyshyn-Piper, both mission specialists, make preparations for their return home on the aft flight deck of the Space Shuttle Atlantis.

S126-E-013873 (27 Nov. 2008) --- Astronaut Heidemarie Stefanyshyn-Piper, mission specialist, floats into the equipment area of the Quest Airlock of the International Space Station on Thanksgiving Day. One more day remains for the Space Shuttle Endeavour to be docked with the station.

ISS018-E-009349 (20 Nov. 2008) --- Astronaut Heidemarie Stefanyshyn-Piper, STS-126 mission specialist, attired in her Extravehicular Mobility Unit (EMU) spacesuit, prepares for the mission's second scheduled session of extravehicular activity (EVA) in the Quest Airlock of the International Space Station.

CAPE CANAVERAL, Fla. – At NASA's Kennedy Space Center in Florida, STS-126 Mission Specialist Heidemarie Stefanyshyn-Piper talks with Kennedy workers after the crew's presentation of shared experiences during the mission. In the background is Mission Specialist Donald Pettit talking to workers. Photo credit: NASA/Dimitrios Gerondidakis

S115-E-06009 (14 Sept. 2006) --- Astronauts Heidemarie M. Stefanyshyn-Piper, STS-115 mission specialist, and astronaut Jeffrey N. Williams, Expedition 13 flight engineer and NASA station science officer, work with the controls for the Canadarm2 in the Destiny laboratory aboard the International Space Station

S126-E-008206 (19 Nov. 2008) --- Astronaut Heidemarie Stefanyshyn-Piper, STS-126 mission specialist, works in the Leonardo Multi-Purpose Logistics Module attached to the Earth-facing port of the International Space Station's Harmony node while Space Shuttle Endeavour is docked with the station.

S126-E-009193 (23 Nov. 2008) --- Astronauts Heidemarie Stefanyshyn-Piper and Shane Kimbrough, both STS-126 mission specialists, work in the Unity node of the International Space Station while Space Shuttle Endeavour remains docked with the station.

S115-E-06006 (14 Sept. 2006) --- Astronaut Heidemarie M. Stefanyshyn-Piper, STS-115 mission specialist, works at the controls for the Canadarm2 in the Destiny laboratory aboard the International Space Station as astronaut Jeffrey N. Williams, Expedition 13 flight engineer and NASA station science officer, looks on.

S115-E-05562 (12 Sept. 2006) --- Astronauts Heidemarie M. Stefanyshyn-Piper (image center) and Joseph R. Tanner (partially obscured, upper left), both STS-115 mission specialists, participate in the first of three sessions of extravehicular activity (EVA) as construction resumes on the International Space Station.

S115-E-06123 (15 Sept. 2006) --- Astronauts Heidemarie M. Stefanyshyn-Piper (center left) and Joseph R. Tanner (out of frame), both STS-115 mission specialists, participate in the final session of extravehicular activity (EVA) for the Space Shuttle Atlantis and International Space Station crewmembers as construction resumes on the orbital outpost.

S126-E-009140 (23 Nov. 2008) --- Astronaut Heidemarie Stefanyshyn-Piper, STS-126 mission specialist, takes a moment for a photo as she makes her selection for a meal at the galley on the middeck of Space Shuttle Endeavour while docked with the International Space Station.

JSC2002-E-37419 (6 September 2002) --- Astronaut Heidemarie M. Stefanyshyn-Piper, STS-115 mission specialist, attired in a training version of the Extravehicular Mobility Unit (EMU) space suit, is about to begin a training session in the Neutral Buoyancy Laboratory (NBL) near the Johnson Space Center (JSC).

S126-E-013751 (27 Nov. 2008) --- Astronaut Heidemarie Stefanyshyn-Piper, STS-126 mission specialist, signs Endeavour's crew patch in the Quest Airlock of the International Space Station on Thanksgiving Day. One more day remains for the Space Shuttle Endeavour to be docked with the station.

S115-E-05663 (12 Sept. 2006) --- Astronauts Joseph R. Tanner (left) and Heidemarie M. Stefanyshyn-Piper, both STS-115 mission specialists, work in tandem during the mission's first session of extravehicular activity (EVA) while the Space Shuttle Atlantis was docked with the International Space Station. During today's spacewalk, Tanner and Stefanyshyn-Piper worked to connect power cables on the P3/P4 truss, release restraints for the Solar Array Blanket Boxes that hold the solar arrays and the Beta Gimbal Assemblies that serve as the structural link between the truss' integrated electronics and the Solar Array Wings. Stefanyshyn-Piper and Tanner also installed the Solar Alpha Rotary Joint and completed the connection of electrical cables between the new P3 truss and the P1 truss.

S126-E-012184 (27 Nov. 2008) --- The astronaut class of 1996 was able to have its own mini-reunion with three members of that group sharing home improvement and other duties aboard the International Space Station over the last two weeks. From left, astronauts Donald Pettit, Heidemarie Stefanyshyn-Piper and Michael Fincke pose for a photo on the middeck of Endeavour on the eve of the day the crews of the space shuttle and the orbital outpost's Expedition 18 went separate ways. Fincke, Expedition 18 commander, later stayed behind on the orbital outpost as Stefanyshyn-Piper and Pettit and the rest of the shuttle crew bade farewell with plans of being home on Nov. 30.

ISS018-E-009282 (18 Nov. 2008) --- Astronauts Heidemarie Stefanyshyn-Piper (right) and Greg Chamitoff, both STS-126 mission specialists, take a moment for a photo during preparations for the mission's first scheduled session of extravehicular activity (EVA) in the Quest Airlock of the International Space Station. Piper is attired in her Extravehicular Mobility Unit (EMU) spacesuit.

ISS018-E-009284 (18 Nov. 2008) --- Astronauts Chris Ferguson, STS-126 commander, and Heidemarie Stefanyshyn-Piper, mission specialist, take a moment for a photo during preparations for the mission's first scheduled session of extravehicular activity (EVA) in the Quest Airlock of the International Space Station. Piper is attired in her Extravehicular Mobility Unit (EMU) spacesuit.

ISS018-E-009275 (18 Nov. 2008) --- Astronauts Heidemarie Stefanyshyn-Piper (left) and Steve Bowen, both STS-126 mission specialists, attired in their Extravehicular Mobility Unit (EMU) spacesuits, prepare for the mission's first scheduled session of extravehicular activity (EVA) in the Quest Airlock of the International Space Station. Astronaut Chris Ferguson, commander, assisted Piper and Bowen.

ISS018-E-009352 (20 Nov. 2008) --- Astronauts Shane Kimbrough (left) and Heidemarie Stefanyshyn-Piper, both STS-126 mission specialists, attired in their Extravehicular Mobility Unit (EMU) spacesuit, prepare for the mission's second scheduled session of extravehicular activity (EVA) in the Quest Airlock of the International Space Station. Astronaut Chris Ferguson, commander, assisted Kimbrough and Piper.

S126-E-008908 (22 Nov. 2008) --- Astronaut Steve Bowen, STS-126 mission specialist, participates in the mission's third scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 57-minute spacewalk, Bowen and astronaut Heidemarie Stefanyshyn-Piper (out of frame), mission specialist, focused their efforts on the continued cleaning of the station's starboard solar alpha rotary joint (SARJ) and the removal and replacement of trundle bearing assemblies (TBA). Bowen and Piper also cleaned the area around the SARJ's drive lock assemblies, which help the joint to rotate and lock into place.

S126-E-008744 (20 Nov. 2008) --- Astronauts Heidemarie Stefanyshyn-Piper (left) and Shane Kimbrough, both STS-126 mission specialists, participate in the mission's second scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 45-minute spacewalk, Piper and Kimbrough continued the process of removing debris and applying lubrication around the starboard Solar Alpha Rotary Joint (SARJ), replaced four more of the SARJ's 12 trundle bearing assemblies, relocated two equipment carts and applied lubrication to the station's robotic Canadarm2.

S126-E-008914 (22 Nov. 2008) --- Astronaut Steve Bowen, STS-126 mission specialist, participates in the mission's third scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 57-minute spacewalk, Bowen and astronaut Heidemarie Stefanyshyn-Piper (out of frame), mission specialist, focused their efforts on the continued cleaning of the station's starboard solar alpha rotary joint (SARJ) and the removal and replacement of trundle bearing assemblies (TBA). Bowen and Piper also cleaned the area around the SARJ's drive lock assemblies, which help the joint to rotate and lock into place.

S126-E-008929 (22 Nov. 2008) --- Astronaut Steve Bowen, STS-126 mission specialist, participates in the mission's third scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 57-minute spacewalk, Bowen and astronaut Heidemarie Stefanyshyn-Piper (out of frame), mission specialist, focused their efforts on the continued cleaning of the station's starboard solar alpha rotary joint (SARJ) and the removal and replacement of trundle bearing assemblies (TBA). Bowen and Piper also cleaned the area around the SARJ's drive lock assemblies, which help the joint to rotate and lock into place.

S126-E-008741 (20 Nov. 2008) --- Astronauts Heidemarie Stefanyshyn-Piper (left) and Shane Kimbrough, both STS-126 mission specialists, participate in the mission's second scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 45-minute spacewalk, Piper and Kimbrough continued the process of removing debris and applying lubrication around the starboard Solar Alpha Rotary Joint (SARJ), replaced four more of the SARJ's 12 trundle bearing assemblies, relocated two equipment carts and applied lubrication to the station's robotic Canadarm2.

S126-E-008945 (22 Nov. 2008) --- Astronaut Steve Bowen, STS-126 mission specialist, participates in the mission's third scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 57-minute spacewalk, Bowen and astronaut Heidemarie Stefanyshyn-Piper (out of frame), mission specialist, focused their efforts on the continued cleaning of the station's starboard solar alpha rotary joint (SARJ) and the removal and replacement of trundle bearing assemblies (TBA). Bowen and Piper also cleaned the area around the SARJ's drive lock assemblies, which help the joint to rotate and lock into place.

S126-E-008322 (20 Nov. 2008) --- Astronauts Heidemarie Stefanyshyn-Piper and Shane Kimbrough (anchored to a Canadarm2 mobile foot restraint), both STS-126 mission specialists, participate in the mission's second scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 45-minute spacewalk, Piper and Kimbrough continued the process of removing debris and applying lubrication around the starboard Solar Alpha Rotary Joint (SARJ), replaced four more of the SARJ's 12 trundle bearing assemblies, relocated two equipment carts and applied lubrication to the station's robotic Canadarm2.

S126-E-008342 (20 Nov. 2008) --- Astronauts Heidemarie Stefanyshyn-Piper (left) and Shane Kimbrough, both STS-126 mission specialists, participate in the mission's second scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 45-minute spacewalk, Piper and Kimbrough continued the process of removing debris and applying lubrication around the starboard Solar Alpha Rotary Joint (SARJ), replaced four more of the SARJ's 12 trundle bearing assemblies, relocated two equipment carts and applied lubrication to the station's robotic Canadarm2.

S126-E-008915 (22 Nov. 2008) --- Astronaut Steve Bowen, STS-126 mission specialist, participates in the mission's third scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 57-minute spacewalk, Bowen and astronaut Heidemarie Stefanyshyn-Piper (out of frame), mission specialist, focused their efforts on the continued cleaning of the station's starboard solar alpha rotary joint (SARJ) and the removal and replacement of trundle bearing assemblies (TBA). Bowen and Piper also cleaned the area around the SARJ's drive lock assemblies, which help the joint to rotate and lock into place.

S126-E-008355 (20 Nov. 2008) --- Astronauts Heidemarie Stefanyshyn-Piper (top) and Shane Kimbrough, both STS-126 mission specialists, participate in the mission's second scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 45-minute spacewalk, Piper and Kimbrough continued the process of removing debris and applying lubrication around the starboard Solar Alpha Rotary Joint (SARJ), replaced four more of the SARJ's 12 trundle bearing assemblies, relocated two equipment carts and applied lubrication to the station's robotic Canadarm2.

S126-E-008347 (20 Nov. 2008) --- Astronauts Heidemarie Stefanyshyn-Piper (left) and Shane Kimbrough, both STS-126 mission specialists, participate in the mission's second scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 45-minute spacewalk, Piper and Kimbrough continued the process of removing debris and applying lubrication around the starboard Solar Alpha Rotary Joint (SARJ), replaced four more of the SARJ's 12 trundle bearing assemblies, relocated two equipment carts and applied lubrication to the station's robotic Canadarm2.

S126-E-008910 (22 Nov. 2008) --- Astronaut Steve Bowen, STS-126 mission specialist, participates in the mission's third scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 57-minute spacewalk, Bowen and astronaut Heidemarie Stefanyshyn-Piper (out of frame), mission specialist, focused their efforts on the continued cleaning of the station's starboard solar alpha rotary joint (SARJ) and the removal and replacement of trundle bearing assemblies (TBA). Bowen and Piper also cleaned the area around the SARJ's drive lock assemblies, which help the joint to rotate and lock into place.

S126-E-008345 (20 Nov. 2008) --- Astronauts Heidemarie Stefanyshyn-Piper (left) and Shane Kimbrough, both STS-126 mission specialists, participate in the mission's second scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 45-minute spacewalk, Piper and Kimbrough continued the process of removing debris and applying lubrication around the starboard Solar Alpha Rotary Joint (SARJ), replaced four more of the SARJ's 12 trundle bearing assemblies, relocated two equipment carts and applied lubrication to the station's robotic Canadarm2.

S126-E-008937 (22 Nov. 2008) --- Astronaut Steve Bowen, STS-126 mission specialist, participates in the mission's third scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 57-minute spacewalk, Bowen and astronaut Heidemarie Stefanyshyn-Piper (out of frame), mission specialist, focused their efforts on the continued cleaning of the station's starboard solar alpha rotary joint (SARJ) and the removal and replacement of trundle bearing assemblies (TBA). Bowen and Piper also cleaned the area around the SARJ's drive lock assemblies, which help the joint to rotate and lock into place.

S126-E-008918 (22 Nov. 2008) --- Astronaut Steve Bowen, STS-126 mission specialist, participates in the mission's third scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 57-minute spacewalk, Bowen and astronaut Heidemarie Stefanyshyn-Piper (out of frame), mission specialist, focused their efforts on the continued cleaning of the station's starboard solar alpha rotary joint (SARJ) and the removal and replacement of trundle bearing assemblies (TBA). Bowen and Piper also cleaned the area around the SARJ's drive lock assemblies, which help the joint to rotate and lock into place.

S126-E-008340 (20 Nov. 2008) --- Astronauts Heidemarie Stefanyshyn-Piper (left) and Shane Kimbrough, both STS-126 mission specialists, participate in the mission's second scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 45-minute spacewalk, Piper and Kimbrough continued the process of removing debris and applying lubrication around the starboard Solar Alpha Rotary Joint (SARJ), replaced four more of the SARJ's 12 trundle bearing assemblies, relocated two equipment carts and applied lubrication to the station's robotic Canadarm2.

S126-E-008315 (20 Nov. 2008) --- Astronaut Heidemarie Stefanyshyn-Piper, STS-126 mission specialist, participates in the mission's second scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 45-minute spacewalk, Piper and astronaut Shane Kimbrough (out of frame), mission specialist, continued the process of removing debris and applying lubrication around the starboard Solar Alpha Rotary Joint (SARJ), replaced four more of the SARJ's 12 trundle bearing assemblies, relocated two equipment carts and applied lubrication to the station's robotic Canadarm2.

S126-E-008336 (20 Nov. 2008) --- Astronauts Heidemarie Stefanyshyn-Piper (left) and Shane Kimbrough, both STS-126 mission specialists, participate in the mission's second scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 45-minute spacewalk, Piper and Kimbrough continued the process of removing debris and applying lubrication around the starboard Solar Alpha Rotary Joint (SARJ), replaced four more of the SARJ's 12 trundle bearing assemblies, relocated two equipment carts and applied lubrication to the station's robotic Canadarm2.

ISS018-E-009339 (22 Nov. 2008) --- Astronaut Steve Bowen, STS-126 mission specialist, participates in the mission's third scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the International Space Station. During the six-hour, 57-minute spacewalk, Bowen and astronaut Heidemarie Stefanyshyn-Piper (out of frame), mission specialist, focused their efforts on the continued cleaning of the station's starboard solar alpha rotary joint (SARJ) and the removal and replacement of trundle bearing assemblies (TBA). Bowen and Piper also cleaned the area around the SARJ's drive lock assemblies, which help the joint to rotate and lock into place. Earth's horizon and the blackness of space provide the backdrop for the scene.

S115-E-05728 (12 Sept. 2006) --- Astronaut Heidemarie M. Stefanyshyn-Piper, STS-115 mission specialist, works with the Solar Alpha Rotary Joint (SARJ) during the Sept. 12 spacewalk, which she shared with astronaut Joseph R. Tanner (out of frame). The two participated in the first of three scheduled STS-115 extravehicular activity (EVA) sessions as the Atlantis astronauts and the Expedition 13 crew members join efforts this week to resume construction of the International Space Station.

S115-E-07274 (9-21 Sept. 2006) --- Astronaut Heidemarie M. Stefanyshyn-Piper, STS-115 mission specialist, works with the Yeast-Group Activation Packs (Yeast-GAP) on the middeck of Space Shuttle Atlantis. Yeast-GAP experiment studies the effects of genetic changes of yeast cells exposed to the space environment. The results will help scientists to understand how cells respond to radiation and microgravity.

S115-E-05532 (12 Sept. 2006) --- It was "installation day" on the International Space Station on Sept. 12, 2006. The Atlantis and Expedition 13 crews worked on attaching the P3/P4 truss during the first of three scheduled spacewalks by STS-115 shuttle crewmembers. Astronaut Joseph R. Tanner, mission specialist, pictured as he translated along the station hardware, was joined by astronaut Heidemarie M. Stefanyshyn-Piper, mission specialist.

S115-E-05356 (11 Sept. 2006) --- Astronaut Heidemarie M. Stefanyshyn-Piper, STS-115 mission specialist, aims a laser range finder through one of the overhead windows on the flight deck of the Space Shuttle Atlantis at it approaches the International Space Station. The subsequent docking will allow the STS-115 astronauts and the Expedition 13 crew to team up for several days of key tasks in space.

S126-E-013836 (27 Nov. 2008) --- Stationed near the shuttle's galley and stowage lockers, astronauts Heidemarie Stefanyshyn-Piper and Shane Kimbrough, STS-126 mission specialists, assemble the elements of Thanksgiving dinner on the middeck of the Space Shuttle Endeavour, while the orbiter is docked with the International Space Station. A Russian cosmonaut and seven other astronauts are not far away from the scene and all ten shared the meal and observance at a common place and time, on the eve of the scheduled Nov. 28 undocking of the shuttle and station.

JSC2006-E-34241 (11 August 2006) --- The STS-115 crew posed for photos following its August 11 preflight press briefing at the Johnson Space Center. From the left are astronauts Joseph R. Tanner, Heidemarie M. Stefanyshyn-Piper, Brent W. Jett Jr., Christopher J. Ferguson, Steven G. MacLean (Canadian Space Agency) and Daniel C. Burbank.

JSC2005-E-17421 (28 April 2005) --- Crew trainer David Pogue (right) briefs STS-115 crewmembers during an emergency egress training session in the Space Vehicle Mockup Facility at Johnson Space Center. From the left are astronauts Brent W. Jett Jr., commander; Joseph R. (Joe) Tanner and Daniel C. Burbank, both mission specialists; Christopher J. Ferguson, pilot; Heidemarie M. Stefanyshyn-Piper, mission specialist; and Steven G. MacLean, mission specialist representing the Canadian Space Agency.

JSC2005-E-47411 (12 Dec. 2005) --- Astronauts Heidemarie M. Stefanyshyn-Piper (foreground) and Joseph R. (Joe) Tanner, both STS-115 mission specialists, give a thumbs-up signal to indicate preparedness for a training session in one of the full-scale trainers in the Space Vehicle Mockup Facility at Johnson Space Center. Attired in training versions of the shuttle launch and entry suit, the two are seated on the middeck for a post insertion training session.

S115-E-05514 (12 Sept. 2006) --- Astronaut Joseph R. Tanner, STS-115 mission specialist, connects cables from P1 to P3 lower utility tray during the Sept. 12 spacewalk, which he shared with astronaut Heidemarie M. Stefanyshyn-Piper, mission specialist. The two participated in the first of three scheduled STS-115 extravehicular activity (EVA) sessions as the Atlantis astronauts and the Expedition 13 crew members join efforts this week to resume construction of the International Space Station.

JSC2002-E-39745 (26 September 2002) --- Astronauts Heidemarie M. Stefanyshyn-Piper (left) and Joseph R. (Joe) Tanner, both STS-115 mission specialists, observe training activities of their crewmates from the simulation control area in the Neutral Buoyancy Laboratory (NBL) at the Sonny Carter Training Facility (SCTF) near the Johnson Space Center (JSC).

S115-E-07273 (9-21 Sept. 2006) --- Astronaut Heidemarie M. Stefanyshyn-Piper, STS-115 mission specialist, works with the Yeast-Group Activation Packs (Yeast-GAP) on the middeck of Space Shuttle Atlantis. Yeast-GAP experiment studies the effects of genetic changes of yeast cells exposed to the space environment. The results will help scientists to understand how cells respond to radiation and microgravity.

View of Astronaut Joseph R. (Joe) Tanner, STS-115 Mission Specialist (MS), in the red striped Extravehicular Mobility Unit (EMU), as he uses the Infrared (IR) CAM from the Forward (FWD) side of the S1 Truss to take image of the Starboard (STBD) Wing Leading Edge (WLE) of Atlantis for Detailed Test Objective (DTO) 851 while Astronaut Heidemarie M. Stefanyshyn-Piper, STS-115 MS, in the white striped EMU, removes stowed equipment during third Extravehicular Activity (EVA).

S115-E-05539 (12 Sept. 2006) --- It was "installation day" on the International Space Station on Sept. 12, 2006. The Atlantis and Expedition 13 crews worked on attaching the P3/P4 truss during the first of three scheduled spacewalks by STS-115 shuttle crew members. Astronaut Joseph R. Tanner, mission specialist, pictured as he translated along the station hardware, was joined by astronaut Heidemarie M. Stefanyshyn-Piper, mission specialist.

These six astronauts take a break from training to pose for the STS-115 crew portrait. Astronauts Brent W. Jett, Jr. (right) and Christopher J. Ferguson, commander and pilot, respectively, flank the mission insignia. The mission specialists are, from left to right, astronauts Heidemarie M. Stefanyshyn-Piper, Joseph R. (Joe) Tanner, Daniel C. Burbank, and Steven G. MacLean, who represents the Canadian Space Agency. This mission continued the assembly of the International Space Station (ISS) with the installation of the truss segments P3 and P4.

S115-E-E-05528 (12 Sept. 2006) --- Astronaut Steven G. MacLean, representing the Canadian Space Agency, works at the controls for the Canadarm2 or space station remote manipulator arm as part of the team effort to successfully complete "installation day" on the International Space Station. The Atlantis and Expedition 13 crews worked on attaching the P3/P4 truss during the first of three scheduled spacewalks by STS-115 shuttle crew members. Today's space walkers were astronauts Joseph R. Tanner and Heidemarie M. Stefanyshyn-Piper.

S126-E-008017 (18 Nov. 2008) --- Attired in their Extravehicular Mobility Unit (EMU) spacesuits, astronauts Heidemarie Stefanyshyn-Piper (right) and Steve Bowen, both STS-126 mission specialists, are pictured in the Quest Airlock of the International Space Station as the mission’s first session of extravehicular activity (EVA) draws to a close. Astronauts Chris Ferguson (foreground, center), STS-126 commander, and Greg Chamitoff, mission specialist, assist with the doffing of the spacesuits.

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.

JSC2002-E-44123 (31 October 2002) --- Astronauts Heidemarie M. Stefanyshyn-Piper (left) and Joseph R. (Joe) Tanner, both STS-115 mission specialists, participate in mission training in one of the high fidelity trainers/mockups in the Space Vehicle Mockup Facility at the Johnson Space Center (JSC). The two, attired in training versions of the full-pressure launch and entry suit, are seated on the middeck for an emergency egress training session.

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.

JSC2005-E-13817 (5 April 2005) --- Astronaut Steven G. MacLean, STS-115 mission specialist representing the Canadian Space Agency, attired in a training version of the shuttle launch and entry suit, awaits the start of an emergency egress training session in the Space Vehicle Mockup Facility at the Johnson Space Center. Astronaut Heidemarie M. Stefanyshyn-Piper, mission specialist, is visible in the background.