S94-E-5021 (6 July 1997) --- Astronaut James D. Halsell, Jr., mission commander, checks on an experiment in the Astro-Planet Generic Bioprocessing Apparatus onboard the Earth-orbiting Space Shuttle Columbia. The Microgravity Sciences Laboratory (MSL-1) had just completed the first one-third of its manifest time frame. The image was recorded with an Electronic Still Camera (ESC) and later downlinked to ground controllers in Houston, Texas.