NASA - National Aeronautics and Space Administration

ISS018-E-042703 (23 March 2009) --- Astronaut Joseph Acaba, STS-119 mission specialist, attired in his Extravehicular Mobility Unit (EMU) spacesuit, prepares for the mission's third session of extravehicular activity (EVA) in the Quest Airlock of the International Space Station while Space Shuttle Discovery remains docked with the station. Astronauts Tony Antonelli (bottom right, mostly out of frame), STS-119 pilot; and Japan Aerospace Exploration Agency's (JAXA) Koichi Wakata, Expedition 18 flight engineer, assist Acaba.

ISS018-E-042704 (23 March 2009) --- Astronaut Richard Arnold, STS-119 mission specialist, attired in his Extravehicular Mobility Unit (EMU) spacesuit, gives a "thumbs-up" signal as he prepares for the mission's third scheduled session of extravehicular activity (EVA) in the Quest Airlock of the International Space Station.

ISS018-E-042705 (23 March 2009) --- Astronaut Joseph Acaba, STS-119 mission specialist, attired in his Extravehicular Mobility Unit (EMU) spacesuit, is pictured in the Quest Airlock of the International Space Station as he prepares for the mission's third scheduled session of extravehicular activity (EVA).

ISS018-E-042717 (23 March 2009) --- Astronaut Richard Arnold, STS-119 mission specialist, attired in his Extravehicular Mobility Unit (EMU) spacesuit, shakes hands with astronaut Michael Fincke, Expedition 18 commander, in the Quest Airlock of the International Space Station as he prepares for the mission's third scheduled session of extravehicular activity (EVA).

ISS018-E-042724 (23 March 2009) --- Astronaut Richard Arnold, STS-119 mission specialist, attired in his Extravehicular Mobility Unit (EMU) spacesuit, is pictured in the Quest Airlock of the International Space Station as he prepares for the mission's third scheduled session of extravehicular activity (EVA). Japan Aerospace Exploration Agency (JAXA) astronaut Koichi Wakata, Expedition 18 flight engineer, is visible at bottom right.

ISS018-E-042742 (23 March 2009) --- Astronaut Joseph Acaba, STS-119 mission specialist, attired in his Extravehicular Mobility Unit (EMU) spacesuit, enters the Quest Airlock of the International Space Station as the mission's third session of extravehicular activity (EVA) draws to a close.

ISS018-E-042748 (23 March 2009) --- Astronaut Joseph Acaba, STS-119 mission specialist, attired in his Extravehicular Mobility Unit (EMU) spacesuit, enters the Quest Airlock of the International Space Station as the mission's third session of extravehicular activity (EVA) draws to a close.

ISS018-E-042583 (23 March 2009) --- Japan Aerospace Exploration Agency (JAXA) astronaut Koichi Wakata (foreground), Expedition 18 flight engineer; and NASA astronaut John Phillips, STS-119 mission specialist, work controls of the station's robotic Canadarm2 in the Destiny laboratory of the International Space Station while Space Shuttle Discovery remains docked with the station.

ISS018-E-042591 (23 March 2009) --- Astronaut Lee Archambault, STS-119 commander, uses a video camera on the flight deck of Space Shuttle Discovery while docked with the International Space Station.

S119-E-007519 (23 March 2009) --- Astronaut Richard Arnold (lower left on port truss), STS-119 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, 27-minute spacewalk, Arnold and Joseph Acaba (out of frame), mission specialist, helped robotic arm operators relocate the Crew Equipment Translation Aid (CETA) cart from the Port 1 to Starboard 1 truss segment, installed a new coupler on the CETA cart, lubricated snares on the "B" end of the space station's robotic arm and performed a few "get ahead" tasks. The Japanese Kibo laboratory is visible at right, and the station's Canadarm2 is at left. The blackness of space and Earth's horizon provide the backdrop for the scene.