Sixteenth Columbia flight. The United States Microgravity Payload-2 (USMP-2) made its second flight to study microgravity on materials and fundamental science. Landed At Kennedy Space Center, FL. on March 18, 1994. Mission Duration: 335 hours 16 mnutes 41 seconds.

Launch Date: March 9, 1994 Launch Vehicle: Columbia Crew: Commander:John Casper, Pilot: Andrew Allen, Mission Specialists: Pierre Thuot, Charles Gemar, Marsha Ivins.

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