Soyuz STB Fregat

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

LEO capacity

8,200 kg

Manufacturer

Progress Rocket Space Center

Total launches

Successful

Pending

Successful landings

Flight system

Built to move mass beyond the atmosphere.

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.