SpaceX is an American aerospace manufacturer and space transportation services company founded in 2002 by entrepreneur Elon Musk. The company designs, manufactures, and launches advanced rockets and spacecraft. SpaceX has developed the Falcon 1, Falcon 9, Falcon Heavy, and Dragon spacecraft. The company was founded with the goal of reducing space transportation costs and enabling the colonization of Mars. SpaceX has achieved several milestones in spaceflight, including the first privately-funded liquid-propellant rocket to reach orbit, the first privately-funded company to send a spacecraft to the International Space Station, and the first privately-funded company to send a human-rated spacecraft to orbit.