Space company Axiom raised $350 million in a round that was led by Saudi-owned Aljazira Capital and Korean health-care investment firm Boryung, the company announced Monday.

Houston-based Axiom trains and flies both private and government astronauts on missions to the International Space Station via launches with SpaceX. It's developing human spaceflight technologies including a commercial space station and a lunar spacesuit.

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The company said the investment will further its development efforts. It has more than $2 billion in customer contracts to date, Axiom said Monday. It's flown two crews to the ISS, including the , and is working to launch its first space station module by 2026.

In a statement, Aljazira Capital managing director and CEO Naif Almesned said backing Axiom is "in line with the Saudi Vision 2030's transformative approach."