Bill Nelson Nelson was a Payload Specialist on 's STS-61-C mission from January 12 to 18, 1986. The Space Shuttle "Columbia" landed at Edwards AFB at 5:59 a.m. PST, on January 18. The mission's elapsed time was 6 days, 2 hours, 45 minutes, and 51 seconds. This flight was the last successful space shuttle flight prior to the "Challenger" accident, which occurred only ten days after the return of the "Columbia". In 1988, Nelson published a book about his space flight experience entitled "Mission: An American Congressman's Voyage to Space". In 1972, Nelson was elected to the Florida House of Representatives as
Space Shuttle retirement Space Shuttle retirement The retirement of NASA's Space Shuttle fleet took place from March to July 2011. "Discovery" was the first of the three active space shuttles to be retired, completing its final mission on March 9, 2011; "Endeavour" did so on June 1. The final shuttle mission was completed with the landing of "Atlantis" on July 21, 2011, closing the 30-year Space Shuttle program. The Shuttle was presented to the public in 1972 as a "space truck" which would, among other things, be used to build a United States space station in low earth orbit in the early 1990s