Topic summary
Three-stage-to-orbit
Extracted from the Wikipedia article Multistage rocket.
Three-stage-to-orbit
The three-stage-to-orbitlaunch system is a commonly used rocket system to attain Earth orbit. The spacecraft uses three distinct stages to provide propulsion consecutively in order to achieve orbital velocity. It is intermediate between a four-stage-to-orbit launcher and a two-stage-to-orbit launcher.