PGM-19 Jupiter

The PGM-19 Jupiter was the first nuclear armed intermediate-range ballistic missile (IRBM) of the United States Air Force (USAF). It was a liquid-propellant rocket using RP-1 fuel and LOx oxidizer, with a single Rocketdyne LR79-NA rocket engine producing 667 kilonewtons of thrust. It was armed with the 1.44 megatons of TNT W49 nuclear warhead.

The PGM-19 Jupiter was originally designed by the US Army to strike high-value targets like bridges, railway yards and troop concentrations. The Jupiter had a short, squat shape to fit in naval submarines, because the US Navy expressed an interest in the design as a submarine-launched ballistic missile (SLBM). The US Navy left the collaboration to work on their UGM-27 Polaris missile.

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