For years, the United States has trailed behind Russia and China in hypersonic weapons. A new engine prototype by Lockheed Martin and General Electric could help it catch up.
The USS Zumwalt left Huntington Ingalls Shipbuilding on the Mississippi coast on Jan. 15 for sea trials and is expected to be ...
The U.S. Air Force is quietly building what amounts to a fast lane for ultra long range hypersonic flight, shifting from ...