- Family: Soyuz
- Length: 51.1 m
- Diameter: 2.95 m
- Launch Mass: 313 T
- Low Earth Orbit Capacity: 6900 kg
The Soyuz U was manufactured by Russian Federal Space Agency (ROSCOSMOS) with the first launch on 1973-05-18. Soyuz U has 694 successful launches and 20 failed launches with a total of 714 launches.