NASA astronaut Steve Swanson poses for a portrait following an Expedition 39/40 preflight press conference.
JSC2014-E-008215 (22 Jan. 2014) — NASA astronaut Steve Swanson, Expedition 39 flight engineer and Expedition 40 commander, poses for a portrait following an Expedition 39/40 preflight press conference at NASA’s Johnson Space Center. Photo credit: NASA