RD-107
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The RD-107 and its sibling, the RD-108, are a type of rocket engine used on the R-7 rocket family. RD-107 engines are used in each booster and the RD-108 is used in the central core. The engines have
RD-107 engine on display at the Museum of Space and Missile Technology in Saint Petersburg.
Bottom of the Soyuz-2 showing the RD-107 engines in each booster and the RD-108 on the central core. Each has four nozzles and either two (RD-107) or four (RD-108) vernier nozzles.
R-7 Semyorka
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The R-7 Semyorka was a Soviet missile developed during the Cold War, and the world's first intercontinental ballistic missile. The basis for the R-7 rocket family, it was adapted into the world's firs
RD-107
…chambers (each with a nozzle) and either two (RD-107) or four (RD-108) vernier chambers. The engines were first developed in the mid-1950s to launch the R-7 Semyorka, the first intercontinental ballistic missile. The R-7 was later adapted into space launch vehicles and the engines have been improved over several…
R-7 Semyorka photographed at Baikonur on a Russian stamp from 2004
Sojuz TMA 9 into flight