- Family: Atlas
- Length: 43.9 m
- Diameter: 3.05 m
- Launch Mass: 164 T
- Low Earth Orbit Capacity: 5900 kg
The Atlas I was manufactured by General Dynamics with the first launch on 1990-07-25. Atlas I has 9 successful launches and 2 failed launches with a total of 11 launches. The Atlas I was a US expendable launch system manufactured by General Dynamics in the 1990s to launch a variety of satellites.