Flight Helmet, Gentex H-4, US Navy, US Marine Corps 1950's B-50 If either of the two

If either of the two glass lenses were shattered during a firefight

F (fighters) and G

and a fixed one in front of him

It is in reasonable condition given its age

used by pilots of the US Navy and US Marine Corps Aviation during the mid 1950's

Flight Helmet, Gentex H-4, US Navy, US Marine Corps 1950's B-50 If either of the twoHere is an Flight Helmet made by Gentex, type H 4, size Medium, used by pilots of the US Navy and US Marine Corps Aviation during the mid 1950's. According to Andrea Salimbeti's website: The {Gentex} H 4 was a further development of H 3. The rigid shell with reinforcing ridges, in different shape respect to the H 3 model, is constructed of a fiberglass cloth reinforced with epoxy resin. Also for this model a cloth inner helmet which incorporate the