hypersonic

Over the last four months, the U.S. Air Force has awarded two contracts for hypersonic weapons worth a maximum of $1.4 billion to aerospace giant Lockheed Martin.

Past, American waveriders had some critical flaws that the new Chinese design aims to solve.

What the X-51A Waverider's last mission felt like to the pilot of the B-52 that released it.

Next-generation weapons may scream through the skies at five times the speed of sound.

There are no plans to build any more of the superfast vehicles.

Air Force officials are uncertain about the future of a hypersonic aircraft flight test program after the third of four experimental vehicles crashed in the Pacific Ocean Aug. 14.