Ferguson on Atlantis Aft Flight Deck during Rendezvous OPS

S135-E-007196 (10 July 2011) –-- NASA astronaut Chris Ferguson, STS-135 commander, is pictured on the flight deck of the space shuttle Atlantis prior to docking with the International Space Station during the mission’s third day in space. NASA astronaut Rex Walheim uses a range finder in support of the rendezvous and docking operations. Photo credit: NASA