Space Launch System

NASA's deep space super heavy-lift rocket built for human exploration of the Moon and deep space.

The Space Launch System (SLS) is an American super heavy-lift expendable launch vehicle developed by NASA for human exploration of the Moon under the Artemis program. Utilizing four RS-25 cryogenic engines and two 5-segment solid rocket boosters, SLS is designed to launch the Orion spacecraft, human crews, and heavy cargo on Trans-Lunar Injection (TLI) trajectories directly to lunar orbit.