Original U.S. Vietnam War US Navy Pilot Early APH-6 Flight Helmet Multi Nation Flags the glass reflector screen being

the glass reflector screen being fitted to a housing surmounting the lens tube

making the smaller washers hard t see

The main units of both the Navy and the Army systems were usually installed in three-receiver racks and two-transmitter racks

and a custom ordered etched blade

Original U.S. Vietnam War US Navy Pilot Early APH-6 Flight Helmet Multi Nation Flags the glass reflector screen beingOriginal Item: Only One Available. At the end of the 50's the APH series helmets introduced a new generation of flight helmets characterized by the external visor covered with a protective shield. Improvement of the communication system, internal liner and oxygen mask retainers was also made and in some versions the dual dark and transparent visors system was installed. These types of helmets were the US Navy and USMC standard jet aircraft headgears