page_title: PGM-19 Jupiter
section_title: Launch vehicle derivatives
hierarchical_section_title: PGM-19 Jupiter / Launch vehicle derivatives
context_page_description: The PGM-19 Jupiter was the first nuclear tipped, medium-range ballistic missile of the United States Air Force. It was a liquid-propellant rocket using RP-1 fuel and LOX oxidizer, with a single Rocketdyne LR79-NA rocket engine producing 667 kN of thrust. It was armed with the 1.44 megaton W49 nuclear warhead. The prime contractor was the Chrysler Corporation.
  The Jupiter was originally designed by the US Army, which was looking for a highly accurate missile designed to strike high-value targets like bridges, railway yards, troop concentrations and the like. The US Navy also expressed an interest in the design as an SLBM but left the collaboration to work on their Polaris. Jupiter retained the short, squat shape intended to fit in naval submarines.
context_section_description: The Saturn I and Saturn IB rockets were manufactured by using a single Jupiter propellant tank, in combination with eight Redstone rocket propellant tanks clustered around it, to form a powerful first stage launch vehicle.
  The Jupiter MRBM was also modified by adding upper stages, in the form of clustered Sergeant-derived rockets, to create a space launch vehicle called Juno II, not to be confused with the Juno I which was a Redstone-Jupiter-C missile development. There is also some confusion with another U.S. Army rocket called the Jupiter-C, which were Redstone missiles modified by lengthening the fuel tanks and adding small solid-fueled upper stages.
caption: Illustration showing differences among Redstone, Jupiter-C, Mercury-Redstone, and Jupiter IRBM.
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