- Family: Soyuz
- Length: 19.6 m
- Diameter: 2.68 m
The Soyuz 2.1a Volga was manufactured by Progress Rocket Space Center with the first launch on 2004-11-08. Soyuz 2.1a Volga has 1 successful launches and 0 failed launches with a total of 1 launches. In addition to the switch to digital flight control systems as part of the Soyuz 2.1A, this version utilizes the Volga upper stage.