The U.S. military comes up with some amazing aircraft to meet its battlefield requirements. And American defense contractors are not afraid to think outside the box when it comes to U.S. air superiority.


Like designing a helmet that lets a pilot literally see outside his or her plane, for example.

But not every idea is a hit. No one is 100-percent perfect every time, but sometimes it makes a pilot wonder, "how the hell did this get made?"

5. Vought F7U Cutlass

They should have known there was going to be a problem when the first three prototypes of the "Gutless Cutlass" crashed. To the surprise of nobody, the Navy's first two delivered F7U also crashed.

"Maybe if we all point and laugh, it will go away."

Unsurprisingly, no pilot wanted to test fly the Christmas Bullet once they actually saw it. One brave man decided to give it a shot... and he was instantly killed when the wings twisted and tore away.