Space Shuttle landing at Edwards, the orbiter was flown back to the KSC on the Shuttle Carrier Aircraft, a specially modified Boeing 747. The first orbiter, "Enterprise", was built in 1976, used in Approach and Landing Tests and had no orbital capability. Four fully operational orbiters were initially built: "Columbia", "Challenger", "Discovery", and "Atlantis". Of these, two were lost in mission accidents: "Challenger" in 1986 and "Columbia" in 2003, with a total of fourteen astronauts killed. A fifth operational (and sixth in total) orbiter, "Endeavour", was built in 1991 to replace "Challenger". The Space Shuttle was retired from service upon the conclusion
Space Shuttle Project rescued in the game. Players that fail to maintain a flawlessly working space shuttle will see the entire shuttle mission fail. Every mission has a lengthy list of secondary objectives that require speed, patience in addition to pure trial and error. A complete shuttle guidance system is included in the game's instruction manual. Finally, the player must land the shuttle by again performing Quick Time Events that correspond to landing maneuvers before finally landing at Edwards Air Force Base. Players get a congratulations screen featuring then-US president George H. W. Bush after finishing all six missions. Allgame gave "Space Shuttle