The US Navy is buying roughly 350 advanced missiles from defense contractor Castelion next year—and is expected to buy ...

A California startup has secured a major U.S. Navy contract to advance a hypersonic ...

The U.S. Navy plans a major expansion of its hypersonic strike arsenal, according to ...

By Mike Stone WASHINGTON, April 24 (Reuters) - Castelion, a small California defense startup, has won a $105 million U.S.

The U.S. is racing to develop hypersonic weapons to counter China and Russia, but delays, limited testing and shifting ...

Video of PLA Navy strike tests emerges as US, allies take part in Balikatan 2026, marking Japan’s first-ever operational role ...

Hermeus, which is developing hypersonic aircraft for the military, is moving its headquarters from Atlanta to El Segundo to access the Southern California aerospace talent pool.

Pentagon officials warned US missile defences are inadequate against hypersonic threats, urging investment in the “Golden ...

The Quarterhorse Mk 2.1 is part of a rapid development program by Hermeus aimed at building reusable high-speed aircraft.

The United States has “no defence against hypersonic weapons or cruise missiles”, a senior Pentagon official told Congress on ...

The US Department of Defense has cited the absence of any defence against hypersonic missiles to justify the rollout of ...