Original U.S. Early Vietnam War Air Force P Series Flying Helmet with Sierra Pilot Suspension Oxygen Mask Category_Snider Rifle Accessories and hardtack

and hardtack

very good or better

A great example of an authentic WWI "Doughboy" helmet shell from the 1st Infantry Division

The inside front cover features a Marine Devil Dog insignia

Original U.S. Early Vietnam War Air Force P Series Flying Helmet with Sierra Pilot Suspension Oxygen Mask Category_Snider Rifle Accessories and hardtackOriginal 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