The Centaur is a family of rocket-propelled upper stages that has been in use since 1962. It is currently produced by United Launch Alliance in two main versions. The 3.05 m diameter Centaur III serve
A single-engine Centaur III being raised for mating to an Atlas V rocket
Single Engine Centaur (SEC) stage
Centaur V stage on Vulcan Centaur rocket carrying Peregrine lunar lander
Centaur stage during assembly at General Dynamics, 1962
The Atlas-Centaur was a United States expendable launch vehicle derived from the SM-65 Atlas D missile. The vehicle featured a Centaur upper stage, the first such stage to use high-performance liquid
An Atlas-Centaur launching Surveyor 1 (1966)
Diagram of a Centaur stage
Atlas-LV3C Centaur-A (AC-1)