STS-27

AtlantisSpace Shuttle Atlantis lifts off on the 27th shuttle flight, a four-day mission to launch a classified Defense Department payload. The crew aboard Atlantis for this flight consists of Commander Robert Gibson, Pilot Guy Gardner, and mission specialists Richard Mullane, Jerry Ross, and William Shepherd. All other information about this flight, including launch weight and even Atlantis’ orbital altitude, remain classified to this day.