Anija e hapësirës Discovery drejt muzeut

The Shuttle Carrier Aircraft arrives at the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida to prepare for space shuttle Discovery's ferry flight to Virginia, April 10, 2012 . (NASA)

The landing convoy that will make space shuttle Discovery secure for towing to its processing hangar begins to pull up around the spacecraft at Kennedy Space Center in Florida, March 9, 2011. (NASA)

The cockpit of space shuttle Discovery is brightly lit as preparations are made for the shuttle's final power down. (NASA)

A "towback" vehicle positions space shuttle Discovery between the extensible work platforms of Orbiter Processing Facility-2 at NASA's Kennedy Space Center in Florida, March 9, 2011. (NASA)

At NASA's Kennedy Space Center in Florida, about 50 students and other invited guests watch shuttle Discovery return from space for the last time, March 9, 2011. (NASA)

The starboard wing of the space shuttle Discovery as photographed by the Expedition 13 crew aboard the International Space Station, July 6, 2006. (NASA)

Dwarfed by the station and shuttle, astronaut Soichi Noguchi conducts a spacewalk, August 3, 2005. (NASA)

With its drag chute fully deployed, space shuttle Discovery lands on Kennedy's brightly lighted Shuttle Landing Facility runway 15, completing the 9-day mission, June 6, 1999. (NASA)

From the roof of the Launch Control Center, then U.S. President Bill Clinton and Hillary Clinton track the plume and successful launch of space shuttle Discovery on mission STS-95, October 29, 1998. (NASA)

Discovery, then NASA's newest shuttle, makes a triumphant fly-by of the Florida Space Coast and the Kennedy Space Center runway, October 9, 1983. (NASA)