The STS-51-C mission marked the third trip of the Space Shuttle Discovery into space. It was the first Space Shuttle mission totally dedicated to the Department of Defense. The U. S. Air Force Inertial Upper Stage Booster Rocket was successfully deployed. Due to the nature of the mission, few additional details of the flight were made available. Landing was made at the Kennedy Space Center, FL on January 27 at 4:23 PM EST. Mission duration was three days, one hour and 33 minutes. 

Launch Date: January 24, 1985 at 2:40 PM EST Launch Vehicle: Discovery Crew: Commander: Thomas K. Mattingly, Pilot: Loren J. Schriver, Mission Specialists: James F. Buchli, Ellison Onizuka, Payload Specialists: Gary E. Payton.