Northrop XP-56 Black Bullet - Wikipedia

Favorite WWII Prototypes that never made it?

Flying the Black Bullet: The Story of the Northrop XP-56

Northrop XP-56 Black Bullet by Matthew Shipp (Czech Model 1/48)

Northrop XP-56 Black Bullet - Passed for Consideration - War Thunder - Official Forum

Northrop XP-56 Black Bullet, Northrop's entry to the same competition that produced the XP-55 Ascender and the XP-54 Vultee. : r/WeirdWings

Northrop XP-56 Black Bullet (MPM)

Northrop XP-56 Black Bullet, Aircraft

XP-56 model MPM

Flying the Black Bullet: The Story of the Northrop XP-56