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Soyuz STB Fregat – Progress Rocket Space Center

Soyuz STB Fregat – Progress Rocket Space Center

Family: Soyuz
Length: 46.3 m
Diameter: 2.95 m
Launch Mass: 312 T
Low Earth Orbit Capacity: 8200 kg

The Soyuz STB Fregat was manufactured by Progress Rocket Space Center with the first launch on 2011-10-21. Soyuz STB Fregat has 13 successful launches and 1 failed launches with a total of 14 launches. The 2.1b version adds an upgraded engine (RD-0124) with improved performance to the second stage. First launch took place from Plesetsk Cosmodrome Site 43 on 26 July 2008 with a classified military payload.

The 2.1b/ST version is sometimes called Soyuz ST-B.

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