ABOUT SOYUZ STB
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.
PAYLOAD CAPACITY
8,200 kg
TO LEO
18,081 lbs
3,250 kg
TO GTO
7,166 lbs
SATELLITES DEPLOYED (1)
FLIGHT HISTORY
Soyuz STB/Fregat-MT | Hispasat 36W-1 (Hispasat AG1)
Soyuz STB/Fregat | Galileo L7 (FOC FM10-FM11)
Soyuz STB/Fregat | Galileo L6 (FOC FM08-FM09)
Soyuz STB/Fregat | Galileo L5 (FOC FM05-FM06)
Soyuz STB/Fregat | Galileo L4 (FOC FM03-FM04)
Soyuz STB/Fregat | O3b FM9-FM12
Soyuz STB/Fregat | Galileo L3 (FOC FM01-FM02)
Soyuz STB/Fregat | O3b FM3, FM6-FM8
Soyuz STB/Fregat-MT | Gaia
Soyuz STB/Fregat-MT | O3b FM1, FM2, FM4, FM5
Soyuz STB/Fregat-MT | Galileo L2 (IOV FM03-FM04)
Soyuz STB/Fregat | Galileo L1 (IOV FM01-FM02)