What does NASA stand for?
NASA
In September 2011, NASA announced the start of the Space Launch System program to develop a human-rated heavy lift vehicle. The Space Launch System is intended to launch the Orion Multi-Purpose Crew Vehicle and other elements towards the Moon, near-Earth asteroids, and one day Mars.[132] The Orion MPCV conducted an unmanned test launch on a Delta IV Heavy rocket in December 2014.[133]