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Soyuz STB Fregat-MT – Progress Rocket Space Center

Soyuz STB Fregat-MT – Progress Rocket Space Center

  • Family: Soyuz
  • Length: 46.3 m
  • Diameter: 2.95 m
  • Launch Mass: 310 T
  • Low Earth Orbit Capacity: 8200 kg

The Soyuz STB Fregat-MT, manufactured by Progress Rocket Space Center established in 1996, undertook its inaugural launch on 10/12/2012. Notably, Soyuz STB Fregat-MT has 5 successful launches and 0 failed attempts, with a cumulative tally of 5 launches, currently with 0 pending launches in the pipeline.

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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