STS-51I

Space ShuttleSpace Shuttle Discovery lifts off on a mission to deliver three communications satellites to orbit. The triple payload includes SYNCOM IV-4, the Australian AUSSAT-1 satellite, and American Satellite Company’s ASC-1. Discovery is manned on this mission by Commander Joe Engle, Pilot Richard Covey, and mission specialists James van Hoften, John Lounge and William Fisher. The mission lasts one week, and Discovery is able to return home a day early after achieving mission objectives ahead of time.