Start-ups are trying to close the U.S. ‘hypersonic’ missile gap with China
- Posted on May 14, 2025
- By Washington Post
- 2 Views

Start-ups are trying to close the U.S. ‘hypersonic’ missile gap with China

A rocket engine tested in New Mexico Wednesday shows how start-ups are working on “hypersonic” aircraft the Pentagon says are vital to U.S. national security.