Space X is an aerospace company founded in 2002 by Elon Musk that has achieved several "firsts" in private space flight. It has facilities across the US and over 5,000 employees. Some of its key achievements include being the first private company to put a spacecraft in orbit, have a private craft visit the International Space Station, and successfully relaunch an orbital class rocket. Space X offers competitive commercial launch services on its Falcon 9 and Falcon Heavy rockets, which can carry payloads to low Earth orbit, geosynchronous orbit, and Mars.