Last updated on April 20, 2014 at 17:20 EDT
14 of 139


June 3, 2011
Astronaut William F. Readdy (foreground), STS-79 commander, bids farewell to Russian cosmonauts Aleksandr Y. Kaleri (left in background), Mir-22 flight engineer, and Valery G. Korzun, Mir-22 commander, just prior to hatch closing, during Flight Day 8. The Americans and Russians will undock the Space Shuttle Atlantis and the Russia's Mir Space Station later today.