STS -36 (English Space Transportation System) is the designation for a flight mission of the Space Shuttle Atlantis ( OV -104 ) NASA for the U.S. Department of Defense. The launch took place on 28 February 1990. It was the 34th Space Shuttle mission and the sixth flight of Space Shuttle Atlantis.


  • John Creighton ( second space flight), Commander
  • John Casper ( first space flight), Pilot
  • Richard Mullane ( third space flight), Mission Specialist
  • David Hilmer ( third space flight), Mission Specialist
  • Pierre Thuot ( 1 space flight), Mission Specialist

Mission overview

This was the sixth flight of a space shuttle, which was conducted on behalf of the U.S. Department of Defense. The space shuttle Atlantis brought a reconnaissance satellites of the U.S. Air Force in a low orbit, from where it should monitor most of the earth's surface. The spy satellite carrying the codename USA 53 (1990 - 019B ), further details were not disclosed.


Originally the launch was scheduled on February 22, he was then postponed to February 25 due to the flu first two crew members due to the bad weather condition ends. The external tank was filled for this launch attempt. However, it was due to a malfunction of a computer security and adverse weather conditions to a further delay.

The launch took place ultimately on February 28. Actually, the space shuttle at midnight should leave the earth, the launch window was extended shortly to 4 clock EST.


After landing 62 cracks in the tiles were counted from the Räummannschaft, but had, according to the engineers only one tile to be replaced. Brakes and tires had held, but it drops the hydraulic fluid in the right Hauptlandungsradschacht and on two of the main transmission have been identified.