Original U.S. Early Vietnam War Air Force P Series Flying Helmet with Sierra Pilot Suspension Oxygen Mask Category_Snider Rifle Accessories The inside front cover features

The inside front cover features a Marine Devil Dog insignia

Small buckles were provided to adjust the suspension

very good or better

but is still in fine condition and really good for display

Markings on most Fourth Models are

Original U.S. Early Vietnam War Air Force P Series Flying Helmet with Sierra Pilot Suspension Oxygen Mask Category_Snider Rifle Accessories The inside front cover featuresOriginal Item: Only One Available. As seen in the permanent collection of the Smithsonian National Air and Space Museum which can be found at this link. Similar helmets were officially designated; Helmet, Flying, Protective, Type P 1A, United States Air Force. We actually aspect sure which model P Series helmet this is, but it certainly confirms to many of the aspects. The P 1 was the first type of hard helmet mass produced for standard issue to the