
Expedition 39/40 prime and backup crew members pose for pictures March 19 as part of traditional activities leading to the…

Expedition 39/40 are planting trees bearing their names in a traditional ceremony.

Assisted by backup crew member Barry Wilmore of NASA, Expedition 39/40 Flight Engineer Steve Swanson of NASA (right) plants a…

Expedition 39/40 takes a stroll down the Walk of Cosmonauts.

Expedition 39/40 Flight Engineer Steve Swanson of NASA takes a turn on a tilt table.

Expedition 39/40 Flight Engineer Steve Swanson of NASA takes a spin in a rotating chair.

Expedition 39/40 Flight Engineer Steve Swanson of NASA gets in a workout March 19 as he prepares for launch to…

Expedition 39/40 Flight Engineer Steve Swanson of NASA gets in a workout March 19 as he prepares for launch to…

Expedition 39/40 Flight Engineer Steve Swanson of NASA (right) and Flight Engineer Oleg Artemyev (left) of the Russian Federal Space…

Mountains in Alaska’s Brooks Range seen during the IceBridge survey flight from Thule, Greenland to Fairbanks, Alaska.