Astronaut Peggy Whitson (right), Expedition 16 commander, greets astronaut Pam Melroy, STS-120 commander, after hatch opening between the International Space Station and Space Shuttle Discovery. Whitson is partially in the Pressurized Mating Adapter (PMA-2) and Melroy is in the Orbiter Docking Compartment (ODC).


Get the app

Explore museums and play with Art Transfer, Pocket Galleries, Art Selfie, and more


Google apps