S135-E-006280 (9 July 2011) --- NASA astronaut Rex Walheim, STS-135 mission specialist, is pictured on the middeck of the space shuttle Atlantis during the mission's second day of activities in Earth orbit. Photo credit: NASA
Date July 9, 2011
S135-E-006280 (9 July 2011) --- NASA astronaut Rex Walheim, STS-135 mission specialist, is pictured on the middeck of the space shuttle Atlantis during the mission's second day of activities in Earth orbit. Photo credit: NASA