Space Shuttle gliding and landing; it was originally intended to be outfitted for orbital operations after the test program, but it was found more economical to upgrade the structural test article STA-099 into orbiter "Challenger" (OV-099). An additional test article, dubbed "Pathfinder" (OV-098), was built for form and fit tests, and is on display at the Alabama Space and Rocket Center in Huntsville, AL. "Challenger" disintegrated 73 seconds after launch in 1986, and "Endeavour" was built as a replacement from structural spare components. Building "Endeavour" cost about US$1.7 billion. "Columbia" broke apart over Texas during re-entry in 2003. A Space Shuttle launch
Astronaut-politician by "The New York Times" as a "political neophyte". Jack Swigert, who had flown on the ill-fated Apollo 13 mission, was elected in November 1982 to the United States House of Representatives representing Colorado, based on a plan he developed that "evolved from his training as an astronaut and the success of the Apollo exploration of the Moon", but died before taking office. NASA's Shuttle program has produced American and foreign politicians. In 1985, Senator Jake Garn went into space aboard the STS-51-D flight as a payload specialist and in 1986 Rep. Bill Nelson of Florida became the second sitting