United Launch Alliance, a Boeing and Lockheed Martin joint venture based in Centennial, Colorado, flies Atlas V and the newer Vulcan for US national security, NASA and commercial missions. Vulcan has not flown since a solid rocket booster anomaly in February 2026.
At a glance
| Price from | Custom |
| Best for | US government and national security missions |
From United Launch Alliance's own website.
What stands out
- Long record on national security missions
- Heavy-lift capacity
Worth knowing
- Vulcan grounded pending a booster investigation
- Lower launch rate than SpaceX
How it ranks
United Launch Alliance is ranked 6th of 10 in Best Space Launch Companies (Lister Score 91.0).
#6 in Best Space Launch Companies · Lister Score 91.0
Vulcan made its first launch on 8 January 2024..
| Rank | Best Space Launch Companies | Score |
|---|---|---|
| 1 | SpaceX | 97.4 |
| 2 | Rocket Lab | 96.0 |
| 3 | CASC | 94.7 |
| 4 | Arianespace | 93.5 |
| 5 | Blue Origin | 92.3 |
| 6 | United Launch Alliance | 91.0 |
| 7 | Mitsubishi Heavy Industries | 89.7 |
| 8 | Firefly Aerospace | 88.4 |
| 9 | Avio | 87.1 |
| 10 | LandSpace | 85.8 |
Frequently asked questions
How does United Launch Alliance rank on Lister?
United Launch Alliance is ranked 6th of 10 in Best Space Launch Companies (Lister Score 91.0).
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