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Home International Space Station’s 3D printer during flight certification and acceptance testing at NASA’s Marshall Space Flight Center. (NASA/Emmett Given) International Space Station's 3D printer during flight certification and acceptance testing at NASA's Marshall Space Flight Center. (NASA/Emmett Given)

International Space Station’s 3D printer during flight certification and acceptance testing at NASA’s Marshall Space Flight Center. (NASA/Emmett Given)

International Space Station's 3D printer during flight certification and acceptance testing at NASA's Marshall Space Flight Center. (NASA/Emmett Given)

International Space Station’s 3D printer during flight certification and acceptance testing at NASA’s Marshall Space Flight Center. (NASA/Emmett Given)

NASA astronaut Reid Wiseman checks his spacesuit in preparation for the first Expedition 41 spacewalk. (NASA/ESA/Alexander Gerst)
Hours after the June 28, 2014, test of NASA’s Low-Density Supersonic Decelerator over the U.S. Navy’s Pacific Missile Range. (NASA/JPL-Caltech)