All the while, the Air Force and Northrop Grumman were hard at work improving the technology with the B-2 Spirit, a stealth bomber that didn't have the blocky look of its predecessor. Another ...

A spokesman for Sikorsky, which makes the Black Hawk, referred all questions about stealth aircraft to the U.S. Special Operations Command. One of the choppers used in the raid crashed during the ...

and the B-21 Raider stealth bomber, designed to replace legacy platforms like the B-1 and B-2. Also entering service is the V-280 Valor, a tilt-rotor aircraft replacing the Black Hawk, and the MQ ...