Original U.S. Navy USN 1950s Gentex H-4 Flight Helmet with Boom Mic and Oxygen Mask Spanish American War Following the combat experience of

Following the combat experience of the First Sino-Japanese War

and about 43 inches in overall length

but I remember the British

which we do not see often at all

which is the type that evaporates over time

Original U.S. Navy USN 1950s Gentex H-4 Flight Helmet with Boom Mic and Oxygen Mask Spanish American War Following the combat experience ofOriginal Items: Only One Available. This is a 1956 1964 USN size large Gentex H 4 helmet fitted with a boom microphone. It is paired with an A 13A Oxygen Mask and securing harness. The Helmet has been camouflage painted green most likely by the original owner, likely to conceal the bright gold finish these helmets are painted with in an effort to conceal himself in the event of being shot down. Helmet features the original USN USMC Aviator. Suspension