- 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.
Manufacturer

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. Progress Rocket Space Center is a Commercial RUS entity that was founded in 1996 and is administered by Dmitry Baranov.
Progress Rocket Space Center has 44 successful launches and 1 failed launches with a total of 45 launches.