Original U.S. Vietnam War US Navy Pilot Dual Visor APH-6CMSI Flight Helmet by Sierra Engineering Co. with Original Early “Bowling Ball” Bag MP 34 It was about 3:45 -

It was about 3:45 - 4:00 p

As asbestos ages it breaks down

On the 3rd of Feb

The cap has a Bancroft “Pak-Cap” and is in great shape overall

A doublet is a man's snug-fitting jacket that is shaped and fitted to the man's body

Original U.S. Vietnam War US Navy Pilot Dual Visor APH-6CMSI Flight Helmet by Sierra Engineering Co. with Original Early “Bowling Ball” Bag MP 34 It was about 3:45 -Original 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