U.S. astronaut Steven Swanson, center, Russian cosmonauts Alexander Skvortsov, bottom, and Oleg Artemyev, crew members of the mission to the International Space Station (ISS) gesture prior the launch of Soyuz-FG rocket at the Russian leased Baikonur cosmodrome, Kazakhstan, Wednesday, March 26, 2014. (AP Photo/Vasily Maximov, Pool)
U.S. astronaut Steven Swanson, left, Russian cosmonauts Alexander Skvortsov, center, and Oleg Artemyev, crew members of the mission to the International Space Station (ISS) walk prior the launch of Soyuz-FG rocket at the Russian leased Baikonur cosmodrome, Kazakhstan, Wednesday, March 26, 2014. (AP Photo/Dmitry Lovetsky, Pool)
U.S. astronaut Steven Swanson, left, Russian cosmonauts Alexander Skvortsov, center, and Oleg Artemyev, crew members of the mission to the International Space Station (ISS) walk prior the launch of Soyuz-FG rocket at the Russian leased Baikonur cosmodrome, Kazakhstan, Wednesday, March 26, 2014. (AP Photo/Dmitry Lovetsky, Pool)