At the Gagarin Cosmonaut Training Center in Star City, Russia, outside Moscow, Expedition 31 flight engineer Joe Acaba converses with backup crewmember and NASA astronaut Kevin Ford just after their press conference April 25. Acaba, along with Russian cosmonauts Gennady Padalka and Sergei Revin (not pictured), will launch on May 15 from the Baikonur Cosmodrome in Kazakhstan to the International Space Station. Photo credit: NASA/Stephanie Stoll