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
Teacher in Space Project teachers into space. The new Teachers in Space program began in 2005. In March 2005, Teacher in Space candidate Pam Leestma, a second-grade teacher and cousin of Space Shuttle astronaut David Leestma, completed a training flight aboard a MiG-21 operated by X-Rocket, LLC. Armadillo Aerospace, Masten Space Systems, PlanetSpace, Rocketplane Limited, Inc., and XCOR Aerospace pledged flights to the new Teachers in Space project. Advisors to the new Teachers in Space project include SpaceShipOne builder and Ansari X-Prize winner Burt Rutan, X-Prize founder Peter Diamandis, Apollo astronaut Buzz Aldrin, and private astronaut and X-Prize sponsor Anousheh Ansari. The United States