The company is vying to sell long-range strike weapons to the U.S. military.

Amid increasing geopolitical tensions – which include the ongoing Russian invasion of Ukraine and increasing hostility ...

The funding round is expected to close in February. Castelion is developing a mass-producible, long-range hypersonic weapon using rapid iterative design cycles, agile hardware development and ...

There’s little doubt military industrial espionage is a long-running, two-way phenomenon between the U.S. and Russia.

Castelion’s co-founder and chief executive officer, who previously served as SpaceX’s director of government sales. “Affordable, mass-produced hypersonic long-range strike weapons are ...

The following is the Feb. 11, 2025, Congressional Research Service report, Hypersonic Weapons: Background and Issues for ...

At the start of the new year, on January 6, President Erdogan made clear his intention to streamline the production of the ...

January 29, 2025--(BUSINESS WIRE)--Castelion – a new defense manufacturer helping America and its allies preserve peace through deterrence with long range hypersonic strike weapons – announced ...

Silicon Valley’s enthusiasm for superfast weapons has picked up speed, with defense-tech startup Castelion raising $100 million through debt and equity to build hypersonic missile systems.