S135-E-009493 (18 July 2011) --- NASA astronaut Chris Ferguson, STS-135 commander, signs an insignia decal for his mission in the Quest airlock of the International Space Station. The shuttle insignia is mounted next to that of the Expedition 28. Having docked Atlantis to the station over a week ago, Ferguson and three crewmates are preparing to undock from the station early on July 19 and prepare for a July 21 landing in Florida. Photo credit: NASA
Date July 18, 2011