Space Shuttle Discovery March 9, having spent a cumulative total of almost a full year in space. "Discovery" performed both research and International Space Station (ISS) assembly missions. It also carried the Hubble Space Telescope into orbit. "Discovery" was the first operational shuttle to be retired, followed by "Endeavour" and then "Atlantis". The name "Discovery" was chosen to carry on a tradition based on ships of exploration, primarily , one of the ships commanded by Captain James Cook during his third and final major voyage from 1776 to 1779, and Henry Hudson's , which was used in 1610–1611 to explore Hudson Bay and
Space Shuttle Columbia disaster orbiter prevented safe reentry. The shuttle's main fuel tank is covered in thermal insulation foam intended to prevent ice from forming when the tank is full of liquid hydrogen and oxygen. Such ice could damage the shuttle if shed during lift-off. Mission STS-107 was the 113th Space Shuttle launch. Planned to begin on January 11, 2001, the mission was delayed 18 times and eventually launched on January 16, 2003, following STS-113. (The Columbia Accident Investigation Board determined that this delay had nothing to do with the catastrophic failure.) 81.7 seconds after launch from Kennedy Space Center's LC-39-A, a suitcase-sized piece