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
Bill Nelson active duty from 1968 to 1970, attaining the rank of captain, and he remained in the Army until 1971. Nelson was admitted to the Florida bar in 1968, and began practicing law in Melbourne in 1970. In 1971, he worked as legislative assistant to Governor Reubin Askew. In 1972, Nelson married Grace Cavert. The couple have two adult children: Charles William "Bill Jr." Nelson and Nan Ellen Nelson. In 1986, Nelson became the second sitting member of Congress (and the first member of the House) to travel into space. He went through NASA training with Senator Jake Garn of Utah.