In this interactive, find out what an F-15 fighter pilot wears in the ... (For more on gravity forces, see All About G Forces.) A pilot's custom-fitted helmet serves multiple purposes.

Marty Richard, call sign OPUS, has been an F-15 pilot for 12 years ... in those areas and starving his brain. A pilot's custom-fitted helmet serves multiple purposes. It provides noise protection ...

The wind ripped his helmet and mask off and broke every blood ... and 10 months later he climbed into another F-15. He flew ...