Atlas V 401 – United Launch Alliance
- Family: Atlas
- Length: 58.3 m
- Diameter: 3.8 m
- Launch Mass: 590 T
- Low Earth Orbit Capacity: 9050 kg
The Atlas V 401, manufactured by United Launch Alliance established in 2006, undertook its inaugural launch on 08/21/2002. Notably, Atlas V 401 has 41 successful launches and 0 failed attempts, with a cumulative tally of 41 launches, currently with 0 pending launches in the pipeline.
An Atlas V with a 4 meter diameter fairing, no boosters and a single centaur upper stage engine.