Crew:
    Steven R. Nagel [3], Commander
    Kenneth D. Cameron [1], Pilot
    Jerry L. Ross [3], Mission Specialist 1
    Jay Apt [1], Mission Specialist 2
    Linda M. Godwin [1], Mission Specialist 3

Launch:
    Pad: 39-B (12)
    Date: 5 April 1991
    Time: 14:22:44 UTC

Orbit:
    Altitude: 248 nm
    Inclination: 28.45 degrees
    Orbits: 93
    Duration: 5 days, 23 hours, 32 minutes, 45 seconds
    Distance: 2,456,263 miles

Landing:
    Location: Runway 33, Edwards Air Force Base, CA (31)
    Date: 11 April 1991
    Time: 13:55:29 UTC
    Rollout: 54 seconds (1,940 meters, 6,364 feet)

Highlights:
    Gamma Ray Observatory was deployed. A problem with the high-gain antenna prompted an emergency unscheduled space walk to correct the condition. A later scheduled space walk was also performed.