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Retired
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.
📊 Specifications
📏Height
46.3 m⭕Diameter
2.95 m⚖️Launch Mass
312 kg🛰️LEO Capacity
8,200 kg🌍GTO Capacity
3,250 kg🗓️Maiden Flight
Oct 21, 2011🚀Total Launches
14✅Success Rate
93%♻️Reusable
Expendable🏭Manufacturer
Progress Rocket Space Center🌐Country
Russian📋Status
Retired📷 Photo Gallery