STS-51I Mission Patch
Item #: MP51I
20th Space Shuttle Mission
6th Flight of Discovery
Crew:
Joseph H. Engle, Commander
Richard O. Covey, Pilot
James D.A. van Hoften, Mission Specialist
John M. Lounge, Mission Specialist
William F. Fisher, Mission Specialist
Three communications satellites were deployed during the mission. These included ASC-1 for American Satellite Company, AUSSAT-1 for Australia, both of which employed PAM-D solid rocket motors. SYNCOM-IV-4 (also called LEASAT-4) reached geosynchronous orbit but failed to operate.
Three communications satellites were deployed during the mission. These included ASC-1 for American Satellite Company, AUSSAT-1 for Australia, both of which employed PAM-D solid rocket motors. SYNCOM-IV-4 (also called LEASAT-4) reached geosynchronous orbit but failed to operate.




