S131-E-008648 (11 April 2010) --- NASA astronauts Clayton Anderson (left) and Rick Mastracchio, both STS-131 mission specialists, attired in their Extravehicular Mobility Unit (EMU) spacesuits; along with astronaut James P. Dutton Jr., pilot, are pictured in the Quest airlock of the International Space Station prior to the start of the mission's second spacewalk.
Date April 11, 2010