June 1, 2011
Astronaut Kathryn C. Thornton, STS-73 payload commander, works at the Drop Physics Module (DPM) on the portside of the science module aboard the Space Shuttle Columbia in Earth-orbit. Payload specialist Albert Sacco Jr. conducts an experiment at the Glovebox. This frame was exposed with the color Electronic Still Camera (ESC) assigned to the 16-day United States Microgravity Laboratory (USML-2) mission.
Topics: Human spaceflight, Spaceflight, Space exploration, Technology Internet, Albert Sacco, STS-73, Kathryn C. Thornton, STS-50, International Space Station