Space Exploration Technologies Corp., commonly referred to as
SpaceX, is an American space technology company headquartered at the SpaceX Starbase near Brownsville, Texas. Since its founding in 2001, the company has made numerous advancements in rocket propulsion, reusable launch vehicle, human spaceflight and satellite constellation technology. As of 2024, SpaceX is the world's dominant space launch provider, its launch cadence eclipsing all others, including private competitors and national programs like the Chinese space program. SpaceX, NASA and the United States Armed Forces work closely together by means of governmental contracts.