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
History of spaceflight first child conceived by two space travelers. The couple divorced in 1982, and Tereshkova went on to become a prominent member of the Communist Party of the Soviet Union. The second woman to fly to space was aviator Svetlana Savitskaya, aboard Soyuz T-7 on August 18, 1982. Sally Ride became the first American woman in space when she flew aboard Space Shuttle mission STS-7 on June 18, 1983. Women space travelers went on to become commonplace during the 1980s. Helen Sharman became the first European woman in space aboard the Soyuz TM-12 on May 18, 1991. Khrushchev pressured Korolyov to