A hypersonics weapon startup is lining up a massive new funding round to scale its business with the U.S Department of ...

Castelion’s primary engineering efforts, which include developing the avionics and manufacturing the high-temperature CMCs, are taking place in El Segundo.

Startup Castelion Raises $100 Million for Hypersonic Strike Weapons. The debt-and-equity funding is the latest sign that venture capitalists have embraced the superfast weapons. By .

Castelion – a new defense manufacturer helping America and its allies preserve peace through deterrence with long range hypersonic strike weapons – an. Castelion Announces $100M Financing.

Castelion noted that it has contracts with the U.S. Navy, Army and Air Force to build and test its first hypersonic strike weapon. In April 2024, ...

Castelion, an El Segundo-based weapons manufacturer, announced in late January it collected $100 million in a combination of debt and equity financing.

Arizona officials, including Sen. Mark Kelly, urge hypersonic missile startup Castelion to consider Tucson for expansion, highlighting Arizona's aerospace and defense ecosystem.

Interestingly, the amount of money the Army has promised to the Castelion Corporation is far less than what the other branches are spending on their own hypersonic weapons systems.

Of course, Castelion can’t simply turn up on Uncle Sam’s doorstep one day with a fully finished hypersonic weapon and a bill. Instead, the El Segundo, California–based startup is taking time ...