Launch from Cape Canaveral (KSC
landing on Edwards AFB
Two earlier launch attempts, one on
August 24, 1985 and another on August 25, 1985 were scrubbed, because of bad
weather and a computer failure.
The crew deployed the communications
satellites AUSSAT-1 (Australia) ASC-1 (USA) on flight day one and Syncom
IV-4/Leasat-4 (US Navy) on flight day three. EVA
were performed on September 01, 1985 (7h 08m) and September 02, 1985
(4h 30m). They captured satellite Syncom IV-3/Leasat-3 in space, repaired it,
and deployed the satellite again.
In addition, a middeck materials
processing experiment was flown.