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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.
Height
46.3 m
Mass
312 t
Stages
3
Payload to LEO
7.0 t
Payload to GTO
2.8 t
Reusable
No
First flight
2004-11-04
Success rate
98.2%
Success rate98.2%