 Ramba uchiverenga ndima ino - Pashure pebasa reSTS-41-B, McNair akasarudzwa kuti aende kuSTS-51-L somumwe wevashandi vatatu vebasa iri vari muvashandi vanomwe. Basa racho rakatangwa musi waJanuary 28, 1986. Akaurawa apo Challenger yakapararamakiromita mapfumbamwe pamusoro peAtlantic Ocean masekondi 73 pashure pokubhururuka. Kuparara kwacho kwakaurayawo vamwe vatanhatu vaiva muchikwata chacho. 