1. RS-25 engines that will power the SLS first stage on Exploration Mission 2 (EM 2), which will send astronauts to an area near the Moon in the early 2020s. It will be humankind’s first foray beyond Low Earth Orbit (LEO) in nearly 50 years, NASA said.
2."However, SpaceX receives the majority of its funding from NASA, and according to one internal NASA document, as much as 85 percent of the company’s revenues to date have come from the space agency through its multibillion dollar commercial crew and cargo contracts. Put simply, if not for NASA, SpaceX would probably be flying the Falcon 1 or 5 rocket today or might not exist at all"