Soyuz 2.1a – Progress Rocket Space Center Family: Soyuz Length: 46.3 meters Diameter: 2.95 meters Launch Mass: 312 Low Earth Orbit Capacity: 7020 The Soyuz 2.1a was manufactured by Progress Rocket Space Center with the first launch on 2004-11-04. Soyuz 2.1a has 22 successful launches and 1 failed launches with a total of 23 launches. 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. 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 164 successful launches and 7 failed launches with a total of 171 launches.