Bill Nelson Bill Nelson Clarence William Nelson II (born September 29, 1942) is an American politician serving as the senior United States Senator from Florida, first elected to that seat in 2000. A member of the Democratic Party, he previously served in the Florida House of Representatives from 1972 to 1978 and in the United States House of Representatives from 1979 to 1991. In January 1986, he became the second sitting member of Congress to fly in space when he served as a payload specialist on the Space Shuttle "Columbia". Before entering politics he served in the U.S. Army Reserve in the
Space Shuttle program Space Shuttle program The Space Shuttle program was the fourth human spaceflight program carried out by the National Aeronautics and Space Administration (NASA), which accomplished routine transportation for Earth-to-orbit crew and cargo from 1981 to 2011. Its official name, Space Transportation System (STS), was taken from a 1969 plan for a system of reusable spacecraft of which it was the only item funded for development. The Space Shuttle—composed of an orbiter launched with two reusable solid rocket boosters and a disposable external fuel tank—carried up to eight astronauts and up to of payload into low Earth orbit (LEO). When its