LR-87

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The LR87 was an American liquid-propellant rocket engine used on the first stages of Titan intercontinental ballistic missiles and launch vehicles. Composed of twin motors with separate combustion chambers and turbopump machinery, it is considered a single unit and was never flown as a single combustion chamber engine or designed for this. The LR87 first flew in 1959.

Pareidolia (15468122)Pareidolia (15468122)
An LR-87 rocket engine at the Udvar-Hazy Center.An LR-87 rocket engine at the Udvar-Hazy Center.
F1, J1, and LR87 rocket engines at the Thomas P. Stafford Air and Space Museum, Weatherford, Oklahoma, USAF1, J1, and LR87 rocket engines at the Thomas P. Stafford Air and Space Museum, Weatherford, Oklahoma, USA
F1, J1, and LR87 rocket engines at the Thomas P. Stafford Air and Space Museum, Weatherford, Oklahoma, USAF1, J1, and LR87 rocket engines at the Thomas P. Stafford Air and Space Museum, Weatherford, Oklahoma, USA