In 1950 von Braun’s team moved to the Redstone Arsenal near Huntsville, Alabama, where they designed the Army’s Redstone and Jupiter ballistic missiles, as well as the Jupiter C, Juno II, and Saturn I launch vehicles. A Jupiter C orbited the first U.S satellite, Explorer I, in 1958. Von Braun also became one of the most prominent advocates for space exploration in the United States during the 1950s, writing numerous books and several articles for magazines such as Collier’s. Von Braun also served as a spokesman for three Walt Disney television programs on space travel, Man in Space.
In 1960, President Eisenhower transferred his rocket development group at Redstone Arsenal from the Army to the newly established National Aeronautics and Space Administration (NASA). Its primary objective was to develop giant Saturn rockets. Accordingly, von Braun became director of NASA’s Marshall Space Flight Center and the chief architect of the Saturn V launch vehicle, the superbooster that would propel Americans to the Moon. At Marshall, the group also worked on the Mercury-Redstone, the rocket that sent the first American astronaut, Alan Shepard, on a suborbital flight on May 5, 1961. Shortly after Shepard’s successful flight, President John F. Kennedy challenged America to send a man to the Moon by the end of the decade. With the July 20, 1969 moon landing, the Apollo 11 mission fulfilled both Kennedy’s mission.
Reference: www.nasa.gov