Author(s): DaveBowman2001

Release date:

Satcom-K1 and Satcom-K2 were the two third-generation satellites operated by RCA Americom. Built on the AS-4000 bus by Martin Marietta (now Lockheed Martin), both were launched on two different shuttle missions in 1985 and 1986. Satcom-K1 was the last major commercial satellite ever deployed from the Space Shuttle, which were discontinued after the 1986 Challenger disaster


  • Requires the Space Shuttle addon to be installed first.
  • Shuttle missions STS-61-B and STS-61-C will be modified by this addon upon installation

Mission Start End
Satcom-K2 1985-Nov-272002-Feb
Deployed from STS-61-B (Atlantis)
Satcom-K1 1986-Jan-121997-Jul
Deployed from STS-61-C (Columbia)

Satcom-K1 deploying from STS-61-C (Columbia), the last shuttle-deployed satellite before the 1986 Challenger disaster

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How to install add-ons? Find out here.