The German Heinkel He-176, the first aircraft to have a throttle-controlled liquid-fuel rocket engine, makes its first flight at Peenemunde with Flugkapitan Erich Warsitz at the controls.
Seeking to make life harder for a potential adversary like China, the Air Force wants more airfields in more locations, giving the service more freedom to operate in combat. But runways serve little purpose if they are damaged beyond use. The Air Force recently conducted a “beta test” to figure…