The XP-56 “Black Bullet” looked like a superhero and promised to outclass the fighters of its day—with heavy guns, radical controls, and even explosive prop jettison for bailout. But once it finally ...

During World War II, the United States put all its effort into strengthening its air forces, prioritizing the strangest ideas and proposals for fighters that manufacturers could conceive and build ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Jack Northrop's Black Bullet came ...