Progress Rocket Space Center
Soyuz STB Fregat
STB/Fregat
Active
Overview
/01The 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.
Manufacturer
Progress Rocket Space Center
Variant
STB/Fregat
Alias
N/A
Maiden Flight
October 21, 2011
Technical Specifications
/0246.3 m
Length
2.95 m
Diameter
0 t
Launch Mass
—
Liftoff Thrust
8200 kg
LEO Capacity
3250 kg
GTO Capacity
Launch Record
/0314
Total Launches
13
Successful
1
Failed
92.9%
Success Rate
0
Attempted Landings
0
Successful Landings
0
Failed Landings
0
Consecutive Successes