Engineering:List of rocket stages

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This is a list of upper stages used on rockets.

Upper stages

This list is incomplete; you can help by expanding it.

bold denotes active configurations
italics denotes configurations in development Template:Sticky-header

Name	Country	Flown on	Proposed for	Status	Remarks
Advanced Cryogenic Evolved Stage	United States		Vulcan	Development paused
Agena	United States	Atlas, Thor, Thorad, Titan IIIB		Retired
AVUM	ESA/Italy	Vega, Vega C		In service
Gamma-2	United Kingdom	Black Arrow		Retired
Blok D	Soviet Union Russia	N1, Proton, Proton-K		Retired
Blok DM-03	Russia	Proton-M	Angara A5	In service
Blok DM-SL	Soviet Union Russia	Zenit-3SL		In service
Briz-KM	Russia	Rokot	Angara 1.2	In service
Briz-M	Russia	Proton-K, Proton-M, Angara A5		In service
Castor 30	United States	Antares		In service
Centaur	United States	Atlas, Atlas G, Atlas I, Atlas II, Atlas III, Atlas V, Titan IIIE, Titan IV, Vulcan		In service
CTS	People's Republic of China	Long March 2C		In service
Delta Cryogenic Second Stage	United States	Delta III, Delta IV, Space Launch System Block I (as Interim Cryogenic Propulsion Stage)		In service
Electron Second Stage	New Zealand	Electron		In service
Exploration Upper Stage	United States		Space Launch System	In development
Falcon 9 Second Stage	United States	Falcon 9, Falcon Heavy		In service
Fregat	Russia	Soyuz-U, Soyuz-FG, Soyuz-2, Zenit-3F		In service
Inertial Upper Stage	United States	Titan 34D, Titan IV, Space Shuttle		Retired
KVTK	Russia		Angara A5, Energia	In development
PAM-G	India		Geosynchronous Satellite Launch Vehicle	In development
Payload Assist Module/Star-48B	United States	Delta 3000, Delta 4000, Delta II, Space Shuttle	Delta 5000	In service
Salman	Iran	Qased, Qaem-100		In Service
Saman-1	Iran	Simorgh		In Service
Starship	United States		Starship	In development	It is reusable, and is meant to use orbital refueling.
Transtage	United States	Titan IIIA, Titan IIIC, Titan 34D		Retired
Volga	Russia	Soyuz-2.1a, Soyuz-2-1v
Yuanzheng-1	People's Republic of China	Long March 3B, Long March 3C		In service
Yuanzheng-1A	People's Republic of China	Long March 7		In service
Yuanzheng-2	People's Republic of China	Long March 5		In service

See also

• Multistage rocket
• Apogee kick motor
• Space tug
• Lists of rockets
• List of orbital launch systems
• Comparison of orbital launchers families
• Comparison of orbital launch systems
• Comparison of space station cargo vehicles
• List of space launch system designs
• Lists of spacecraft