sentences:  The documentary includes scenes from numerous shuttle missions, beginning with the dawn landing of "Discovery" at Kennedy Space Center's Shuttle Landing Facility upon the conclusion of STS-51-A.A composite shot, the finished sequence is composed of footage from "Discovery"'s landing, radio transmissions from "Challenger"'s 1984 landing on STS-41-B (the first mission to use the SLF runway), and runway approach footage filmed from a fixed-wing aircraft.Mission STS-41-C, the 11th for the Shuttle program and the fifth for "Challenger" is featured most heavily, beginning with the deployment of the Long Duration Exposure Facility (LDEF) satellite.