The Terran 1 is an expendable launch vehicle under development that will consist of two stages. The first stage will use 9 Aeon 1 engines, while the second stage will use a single Aeon 1 engine.
Relativity Space is an American aerospace manufacturing company headquartered in Los Angeles, California. It was founded in 2015 by Tim Ellis and Jordan Noone. Relativity Space is developing manufacturing technologies, launch vehicles and rocket engines for commercial orbital launch services.