International Space Station Expedition 38 NASA astronaut Rick Mastracchio during the second of two spacewalks, spread over a four-day period to change out a faulty water pump on the exterior of the Earth orbiting space station December 24, 2013. He was joined on both spacewalks by NASA astronaut Mike Hopkins.

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International Space Station Expedition 38 NASA astronaut Rick Mastracchio during the second of two spacewalks, spread over a four-day period to change out a faulty water pump on the exterior of the Earth orbiting space station December 24, 2013. He was joined on both spacewalks by NASA astronaut Mike Hopkins.

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Size: 4288px × 2848px
Location: Earth Orbit
Photo credit: © NASA Photo / Alamy / Afripics
License: Licensed
Model Released: No

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