DARPA and the U.S. Air Force are quietly developing what may be the most radical aircraft in American history—a reusable hypersonic strike platform called Next Generation Responsive Strike (NextRS) that will fly at over Mach 5 to penetrate any enemy air defense. Some defense analysts are already arguing the Pentagon should kill the F-47 NGAD program entirely and pour resources into this hypersonic predator instead.
The NextRS Might Be a Mach 5 H…