Company

Castelion

Defense tech startup building hypersonic missile systems for the US military, founded by SpaceX veterans and conducting frequent test flights in the California desert

Defense & Aerospace

Funding History

Jan 31, 2025Series A

Castelion raised $100M ($70M equity, $30M debt) led by Lightspeed Venture Partners to build hypersonic missile systems for the US military, bringing total funding to $114M.

100M

Investors

Lightspeed Venture PartnersBlue Yard CapitalAndreessen Horowitz

News

News (1)

Castelion raises $100M to build hypersonic missiles, with SpaceX veterans at the helm
30 Jan 2025