Army investigators are asking for information to help find a specialized helmet for Apache helicopter aviators that went ...

“This helmet I’ve got on ... “Not a lot of people know about it except the aviation helicopter pilots,” Richard said. “The Army helicopter pilots, they all know about the Cheyenne.” ...

the Integrated Helmet and Display Sighting System (IHADSS); among other abilities the pilot or gunner can slave the helicopter's 30 mm automatic M230 Chain Gun to his helmet, making the gun track ...