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Soyuz 2.1a – Progress Rocket Space Center

The Soyuz 2.1A converted the flight control system from analog to digital, which allowed launch from fixed platforms. It also allowed big fairings and payloads.
It is currently used for crewed Soyuz and Progress flights to the ISS….

Soyuz 2.1a Fregat-M – Progress Rocket Space Center

The 2.1a version includes conversion from analog to digital flight control system and uprated engines on the booster and the first stage with improved injection systems. The new digital flight control and telemetry systems allow the rocket to launch …

Soyuz 2.1b – Progress Rocket Space Center

Soyuz-2 is the 21st-century version of the Russian Soyuz rocket. In its basic form, it is a three-stage carrier rocket for placing payloads into low Earth orbit. The 2.1b version adds an upgraded engine (RD-0124) with improved performance to the sec…

Soyuz 2.1b Fregat – Progress Rocket Space Center

Soyuz-2, GRAU index 14A14, is the collective designation for the 21st-century version of the Russian Soyuz rocket. In its basic form, it is a three-stage carrier rocket for placing payloads into low Earth orbit. The first-stage boosters and two core …

Soyuz 2.1b Fregat-M – Progress Rocket Space Center

Soyuz-2, GRAU index 14A14, is the collective designation for the 21st-century version of the Russian Soyuz rocket. In its basic form, it is a three-stage carrier rocket for placing payloads into low Earth orbit. The first-stage boosters and two core …

Soyuz Fregat – Russian Federal Space Agency (ROSCOSMOS)

The Soyuz-FG launch vehicle is an improved version of the Soyuz-U from the R-7 family of rockets, designed and constructed by TsSKB-Progress in Samara, Russia. Guidance, navigation, and control system is developed and manufactured by “Polisvit” Speci…

Soyuz STA Fregat – Progress Rocket Space Center

The 2.1a version includes conversion from analog to digital flight control system and uprated engines on the booster and the first stage with improved injection systems. The new digital flight control and telemetry systems allow the rocket to launch …

Soyuz STB Fregat – Progress Rocket Space Center

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…

Soyuz STB Fregat-MT – Progress Rocket Space Center

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…