List Of Upper Stages
This is a list of upper stages used on rockets.
| Name | Country | Flown on | Proposed for | Status | Remarks |
|---|---|---|---|---|---|
| Agena | United States | Atlas, Thor, Thorad, Titan IIIB | Retired | ||
| Blok D | Soviet Union Russia |
N1, Proton, Proton-K | Retired | ||
| Blok DM | Soviet Union Russia |
Proton-K, Proton-M | In service | ||
| Blok DM-SL | Soviet Union Russia |
Zenit | In service | ||
| Briz-KM | Russia | Rokot | In service | ||
| Briz-M | Russia | Proton-K Proton-KM Proton-M |
In service | ||
| Centaur | United States | Atlas, Atlas G, Atlas I, Atlas II, Atlas III, Atlas V, Titan IIIE, Titan IV | Blue Streak, Saturn I, Space Shuttle | In service | |
| Earth Departure Stage | United States | Ares V | In development | ||
| Falcon 9 second stage | United States (private) |
Falcon 9 | In service | Merlin 1C vacuum LOX/RP-1 kerosene 616 kN (138,000 lbf) engine | |
| Falcon Heavy second stage | United States (private) |
Falcon Heavy | In development | Merlin 1D vacuum engine | |
| Fregat | Russia | Soyuz-U, Soyuz-FG, Soyuz-2 | Zenit | In service | |
| Inertial Upper Stage | United States | Titan 34D, Titan IV, Space Shuttle | Retired | ||
| Payload Assist Module/Star-48B | United States | Delta 3000, Delta 4000, Delta II, Space Shuttle | Delta 5000 | In service | |
| Transtage | United States | Titan IIIA, Titan IIIC, Titan 34D | Retired |
- This list is incomplete; you can help by expanding it.
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