Flight Helmet, Gentex H-4, US Navy, US Marine Corps 1950's B-50 to obtain an accurate bomb

to obtain an accurate bomb run

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

to correct the altitude reading as required

F (fighters) and G

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

Flight Helmet, Gentex H-4, US Navy, US Marine Corps 1950's B-50 to obtain an accurate bombHere 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