List of upper stages
Name Country Flown on Status
Agena United States Atlas , Thor , Thorad , Titan IIIB Retired
AVUM ESA / Italy Vega 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 In service
Blok DM-SL Soviet Union Russia Zenit-3SL In service
Briz-KM Russia Rokot In service
Briz-M Russia Proton-K , Proton-M , Angara A5 In service
Centaur United States Atlas , Atlas G , Atlas I , Atlas II , Atlas III , Atlas V , Titan IIIE , Titan IV In service
Delta Cryogenic Second Stage United States Delta III , Delta IV In service
Electron Second Stage New Zealand Electron In service
Exploration Upper Stage United States 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
PAM-G India In development
Payload Assist Module / Star-48B United States Delta 3000 , Delta 4000 , Delta II , Space Shuttle In service
Transtage United States Titan IIIA , Titan IIIC , Titan 34D Retired
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
List
This is a list of upper stages used on rockets.