When Musk returned to Moscow, Russia with Michael Griffin (who led the CIA's venture capital arm In-Q-Tel ), they found the Russians increasingly unreceptive. However two months later, the United States withdrew from the ABM Treaty and created the Missile Defense Agency, increasing tensions with Russia and generating new strategic interest for rapid and re-usable launch capability similar to the DC-X. Musk initially attempted to acquire a Dnepr ICBM for the project through Russian contacts from Jim Cantrell. : 30–31 He was offered a plenary talk at their convention where he announced Mars Oasis, a project to land a miniature experimental greenhouse and grow plants on Mars, to revive public interest in space exploration. In early 2001, Elon Musk donated $100,000 to the Mars Society and joined its board of directors for a short time. See also: List of Falcon 9 and Falcon Heavy launches 2001–2004: Founding SpaceX has flown and landed the Falcon 9 series of rockets over one hundred times. SpaceX's achievements include the first privately funded liquid-propellant rocket to reach orbit around Earth the first private company to successfully launch, orbit, and recover a spacecraft the first private company to send a spacecraft to the International Space Station the first vertical take-off and vertical propulsive landing for an orbital rocket booster first reuse of such booster and the first private company to send astronauts to orbit and to the International Space Station.

It will have the highest payload capacity of any orbital rocket ever built on its debut, scheduled for 2022 pending launch license.

It is intended to become SpaceX's primary orbital vehicle once operational, supplanting the existing Falcon 9, Falcon Heavy, and Dragon fleet. The company is also developing Starship, a privately funded, fully reusable, super heavy-lift launch system for interplanetary and orbital spaceflight.

In January 2020, the Starlink constellation became the largest satellite constellation ever launched, and as of September 2022 comprises over 3,000 small satellites in orbit. SpaceX is developing a satellite internet constellation named Starlink to provide commercial internet service. It manufactures the Falcon 9 and Falcon Heavy launch vehicles, several rocket engines, Cargo Dragon, crew spacecraft, and Starlink communications satellites. It was founded in 2002 by Elon Musk, with the goal of reducing space transportation costs to enable the colonization of Mars. ( doing business as SpaceX) is an American spacecraft manufacturer, space launch provider, and a satellite communications corporation headquartered in Hawthorne, California.

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