Warplanes of the USA: Northrop XP-56 Black Bullet, USAAF
Northrop XP-56 Black Bullet (USAAF Photo) Northrop XP-56 Black Bullet. (USAAF Photo) The Northrop XP-56 Black Bullet was a unique prototype fighter interceptor built by the Northrop Corporation. It was one of the most radical of the experimental aircraft built during the Second World War. Ultimately, it was unsuccessful and did not enter production. The initial idea … Read more