Atlas V 531 – United Launch Alliance
- Family: Atlas
- Length: 60 m
- Diameter: 3.8 m
- Launch Mass: 479 T
- Low Earth Orbit Capacity: 15530 kg
The Atlas V 531, manufactured by United Launch Alliance established in 2006, undertook its inaugural launch on 08/14/2010. Notably, Atlas V 531 has 5 successful launches and 0 failed attempts, with a cumulative tally of 5 launches, currently with 0 pending launches in the pipeline.
Atlas V with 5m Fairing, 3 SRB, 1 Centaur upper stage engine.