STS073-E-5246 (3 Nov. 1995) --- Astronaut Kathryn C. Thornton, STS-73 payload commander, works in the Glovebox of the science module supporting the U.S. Microgravity Laboratory (USML-2) mission. Five NASA astronauts and two payload specialists are in the last few days of a scheduled 16-day mission. This frame was exposed with the Electronic Still Camera (ESC).