The Space Shuttle Program was the United States government's manned launch vehicle program from 1981 to 2011. The program was administered by NASA and officially began in 1972. Some of NASA's space shuttle fleet are Columbia, Challenger, Atlantis, Endeavor, and Discovery. These space shuttles help construct the International Space Station and was manifested through the next generations. Columbia was the first space shuttle launched, followed by Discovery,Challenger, Atlantis, and Endeavor.