IMAGE 800_899\860.Lbm,Challenger sits on the launch pad the night before it lifted off on its fourth and the shuttle's tenth space flight (STS-41B).
IMAGE 500_599\538.Lbm,At Mission Control, Houston, during the STS-41B mission. The TV picture shows the comsat Westar VI in Challenger's payload bay.
IMAGE 0_99\99.Lbm,Bruce McCandless jets up to 90 metres away from Challenger when testing the MMU on STS-41B in February 1984.
IMAGE 500_599\534.Lbm,A classic space picture showing Bruce McCandless on February 7, 1984, making the first untethered EVA with the manned manoeuvring unit (MMU). (STS-41B)
IMAGE 800_899\820.Lbm,Bruce McCandless rides the 'cherry picker' on the RMS arm during STS-41B. Its proper name is the mobile foot restraint.
IMAGE 1800_99\819.Lbm,A classic space picture, showing Bruce McCandless during his historic first flight in the MMU, when he became the first human satellite. (STS-41B)
IMAGE 100_199\152.Lbm,An Ariane 1 launch vehicle rises from the pad at the Kourou Space Center in French Guiana on a successful launch in 1983.
IMAGE 1800_99\820.Lbm,STS-41B notches up another space first, when Challenger touches down on the runway at the Kennedy Space Center on February 11, 1984.
IMAGE 0_99\37.Lbm,Challenger touches down on the runway at the Kennedy Space Center on February 11, 1984, at the end of the STS-41B mission.
IMAGE 1800_99\821.Lbm,Safing operations are underway after Challenger's touchdown at the Kennedy Space Center. (STS-41B)