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 ...

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

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

Castelion's founders are former SPACE-X employees. In January, the Wall Street Journal reported Castelion raised $100 million dollars in seed money to build hypersonic missile systems.

Hypersonic weapons startup Castelion is raising a $350 million Series B led by Lightspeed Venture Partners and Altimeter Capital, according to sources and documents viewed by TechCrunch. The round ...