
Soyuz STB Fregat-MT
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.
- Height
- 46.3 m
- Diameter
- 2.95 m
- Stages
- 3
- Recorded launches
- 5
- First flight
- 2012-10-12
