The Multi-service Advanced Capability Hypersonic Accelerator (MACH-XL) program will select prototypes for air-to-air, air-to-ground, ground-to-ground and ground-to-air missiles that have a path to ...

(Bloomberg) -- Hypersonic weapons are so fast, their speed can change the surrounding air molecules. They can carry a nuclear warhead, fly low and be hard to detect. Because of their potential to ...

WASHINGTON, Oct 24 (Reuters) - Defense startup Castelion said on Friday it has won contracts to integrate its Blackbeard hypersonic strike weapon with current U.S. Army systems, the first step toward ...

The U.S. Air Force Research Laboratory is working to develop an air-breathing hypersonic vehicle. Credit: Artist concept by AFRL and Leidos WASHINGTON — A group of former senior U.S. defense officials ...