WWII US Navy / US Marine Corps Pilots Cloth Flight Helmet. Khaki cotton body. Has sewn in electronics (ANB-H-1A). Marked a size Large and contract No N2bbs-27405. Shows minor use and wear. Two of the goggle straps have seperated behind the snaps, and the buckle is missing for the chin strap. If it was on a display head all would be very hard to see.