STS062-S-051 (4 March 1994) --- Five veteran astronauts and the United States Microgravity Payload (USMP) are ushered into space via the sixteenth launch of Space Shuttle Columbia. Launch occurred at 8:53 a.m. (EST), March 4, 1994. Onboard were astronauts John H. Casper, Andrew M. Allen, Marsha S. Ivins, Charles D. (Sam) Gemar and Pierre J. Thuot.