Space Shuttle Projects

Five NASA astronauts and two scientists comprised the crew for the STS-83 mission in support of the first Microgravity Sciences Laboratory 1 (MSL-1). Pictured on the front row (left to right) are Janice E. Voss, payload commander; James D. Halsell, commander; Susan L. Still, pilot; and Donald A. Thomas, mission specialist. On the back row (left to right) are payload specialists Roger K. Crouch, and Gregory T. Linteris; and Michael L. Gernhardt, mission specialist. Dr. Crouch and Dr. Linteris are experts in several disciplines treated on MSL-1. STS-83 launched aboard the Space Shuttle Columbia on April 4, 1997. The five launched again in July 1997 for the STS-94 mission.