On this day in aviation history, 108 years ago (January 6, 1944), the first flight of the McDonnell XP-67 Moonbat took place. The XP-67 was a twin-engined prototype interceptor developed for the ...

McDonnell’s XP-67 Moonbat was one of the most radical American fighter prototypes of World War II, built around a blended aerodynamic design, heavy planned armament, and ambitious performance goals.

While the Moonbat never quite made it out of the prototype stage, the aircraft marked a promising beginning for the now-storied aerospace manufacturer. Summary and What You Need to Know: In the 1990s, ...