Sold Price: Rare 1968 USGI Gentex Vietnam War Military Chopper Flight Helmet - February 5, 0122 5:00 PM EST
APH-4 Flight Helmet : Naval Air Mechanic (Weapons) A J R Curran, Royal Australian Navy Helicopter Flight Vietnam | Australian War Memorial
Flight helmet - Wikipedia
US Army Vietnam War era 1st Air Cavalry Division Gentex Flight Helmet (DCE) | Guns & Military Artifacts Militaria Vietnam War Collectibles | Online Auctions | Proxibid
1959 US Air Force P-4B Flight Helmet Vietnam War | eBay
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Vietnam Helicopter insignia and artifacts - Helmet Art