Space policy of the United States own use of space; and countering, if necessary, space systems and services used for hostile purposes." The Clinton policy also said the United States would develop and operate "space control capabilities to ensure freedom of action in space" only when such steps would be "consistent with treaty obligations." The Space Shuttle Columbia disaster occurred early in George W. Bush's term, leading to the report of the Columbia Accident Investigation Board being released in August 2003. The Vision for Space Exploration, announced on January 14, 2004 by President George W. Bush, was seen as a response to the Columbia disaster and
Space Shuttle Endeavour 299 days in space. During "Endeavour's" last mission, the Russian spacecraft Soyuz TMA-20 departed from the ISS and paused at a distance of 200 meters. Italian astronaut Paolo Nespoli took a series of photographs and videos of the ISS with "Endeavour" docked. This was the second time a shuttle was photographed docked and the first time since 1996. Commander Mark Kelly was the last astronaut off "Endeavour" after the landing, and the crew stayed on the landing strip to sign autographs and pose for pictures. STS-134 was the penultimate space shuttle mission; STS-135 was added to the schedule in January