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
Space Launch Liability Indemnification Extension Act Bill Nelson has a similar bill in the United States Senate that would extend the system for three years instead of one. The system was created in 1988 when Congress passed the Commercial Space Launch Act Amendments. "This summary is based largely on the summary provided by the Congressional Research Service, a public domain source." The Space Launch Liability Indemnification Extension Act would extend through December 31, 2014, the application deadline for licenses with respect to which the Secretary of Transportation (DOT) is required to pay third-party claims in excess of a commercial space launcher's required insurance coverage. The Space