Soyuz STB Fregat (Progress Rocket Space Center)
The Soyuz STB Fregat is a non-reusable, inactive launch vehicle manufactured by Progress Rocket Space Center (established in 1996). It undertook its inaugural launch on 10/21/2011.
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.
Soyuz STB Fregat Specifications
| Variant | STB/Fregat |
|---|---|
| Length | 46.3 m |
| Diameter | 2.95 m |
| Stages | 3 |
| Launch Mass | 312 T |
| LEO Capacity | 8200 kg |
| GTO Capacity | 3250 kg |
| SSO Capacity | 4900 kg |
Soyuz STB Fregat Launch Record
| Total Launches | 14 |
|---|---|
| Successful Launches | 13 |
| Failed Launches | 1 |
| Consecutive Successful Launches | 11 |
Manufacturer
Progress Rocket Space Center (PRSC)
CEO: Dmitry Baranov
Progress Rocket Space Centre, formerly known as TsSKB-Progress, is a space science and aerospace research company which is known for manufacturing launch vehicles and satellites. Most notably, Progress Rocket Space Centre is the manufacturer of Soyuz launch vehicles.