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

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.

The Pima County Fairgrounds are best known for barrel racing, spinning carnival rides and International Hot Rod Association ...

Castelion’s three founders were each previously in senior positions at SpaceX, and roughly half the company’s 60 employees joined from Musk’s firm.

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.

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.

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.