NASA astronaut Peggy Whitson, Expedition 16 commander, smiles as she receives assistance at a helicopter after landing in the Soyuz TMA-11 spacecraft with Russian Federal Space Agency cosmonaut Yuri Malenchenko (out of frame), flight engineer and Soyuz commander; and South Korean spaceflight participant So-yeon Yi (out of frame) on April 19, 2008 in central Kazakhstan. Credit: NASA/Reuters/Pool.
