
Guenter Wendt, the original pad leader for NASA's manned space program, coaxes a smile out of astronaut John Glenn after…

South America and portions of North America and Africa are shown in this false-color image from NASA's MESSENGER spacecraft, taken…

At the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, Expedition 39/40 backup crew members Elena Serova (second from…

At the Gagarin Cosmonaut Training Center (GCTC) in Star City, Russia, the Expedition 39/40 prime and backup crew members answer…

At the Gagarin Cosmonaut Training Center in Star City, Russia, Expedition 39/40 Flight Engineer Steve Swanson of NASA (left), Alexander…

Taking time out from their ceremonial activities at the Kremlin in Moscow, Expedition 39/40 crewmembers Steve Swanson of NASA (left),…

Taking time out from their ceremonial activities at the Kremlin in Moscow, Expedition 39/40 crew members Steve Swanson of NASA…

At the Kremlin Wall in Moscow, Expedition 39/40 Flight Engineer Oleg Artemyev of Roscosmos lays flowers in a tribute to…

At the Kremlin Wall in Moscow, Expedition 39/40 Flight Engineer Steve Swanson of NASA lays flowers in a tribute to…

At the Kremlin Wall in Moscow, Expedition 39/40 Soyuz Commander Alexander Skvortsov of Roscosmos lays flowers in a tribute to…