Soyuz 2.1a
RUS Wikipedia 
Built & Operated By
Progress Rocket Space Center
Commercial · founded 1996
Family
Soyuz
Maiden Flight
4 NOV 2004
About
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.
Vehicle Specifications
Height
46.3 m
Diameter
2.95 m
Launch Mass
312 T
Thrust
4,149 kN
Stages
2–3
Configuration
Expendable
Launch Record
Total Launches
56
Successful
55
Failed
1
Consecutive
49
Performance
To LEO
7,020 kg
To GTO
2,810 kg
Launch Cost
$80.0M