SpaceX, formally known as Space Exploration Technologies Corp., is an American aerospace manufacturer and space transportation company founded by Elon Musk in 2002. Its primary mission is to reduce space transportation costs to enable the colonization of Mars and to advance space exploration. SpaceX is known for developing the Falcon 1, Falcon 9, and Falcon Heavy rockets, along with the Dragon spacecraft designed for cargo and crew missions to the International Space Station (ISS). The company has pioneered several innovations in rocketry, including the development of reusable rocket technology, which allows for the recovery and repurposing of rocket stages after launch. This innovation significantly lowers the cost of access to space. SpaceX is also working on the Starship vehicle, designed for missions to Mars and beyond. Through successful launches and contracts with NASA and private entities, SpaceX has positioned itself as a key player in the commercial space industry.