Criticism of the Space Shuttle program costs through amortization. Development costs were expected to be recouped through frequent access to space. These claims were made in an effort to obtain budgetary funding from the United States Congress. Beginning in 1981, the space shuttle began to be used for space travel. However, by the mid-1980s the concept of flying that many shuttle missions proved unrealistic and scheduled launch expectations were reduced 50%. Following the "Challenger" accident in 1986, missions were halted pending safety review. This hiatus became lengthy and ultimately lasted almost three years as arguments over funding and the safety of the program continued. Eventually the
Space Shuttle crew members to the ISS, to stay docked for 180 days, and then return them back to Earth. These spacecraft were to become operational in the 2010s. Space Shuttles have been features of fiction and nonfiction, from children's movies to documentaries. Early examples include the 1979 "James Bond" film, "Moonraker", the 1982 Activision videogame "Space Shuttle: A Journey into Space" (1982) and G. Harry Stine's 1981 novel "Shuttle Down". In the 1986 film "SpaceCamp", "Atlantis" accidentally launches into space with a group of U.S. Space Camp participants as its crew. A space shuttle named "Intrepid" is featured in the 1989