Ninth Atlantis flight. The TDRS satellite was deployed, keeping the network which supports Shuttle missions and other spacecraft at full operational capacity. Landed August 11, 1991 at Kennedy Space Center, FL. Mission Duration: 213 hours 22 minutes 27 seconds.

Launch Date: August 2, 1991 Launch Vehicle: Atlantis Crew: Commander: John E. Blaha, Pilot: Michael A. Baker, Mission Specialists:James C. Adamson, G. David Low,Shannon E. Lucid,