Original Vietnam War Era US Navy Rare HGU-20/P Clamshell Fighter Pilot Helmet by Robert Shaw Controls Co - Dated 1970 Lock Assembly We however also noticed a

We however also noticed a black layer of paint underneath in some areas

and von Richthofen's award was one of only two of the 3rd Class with Crown and Swords during World War I

research and a previous owner letter from 2002

though the chin strap is unfortunately absent

Original Vietnam War Era US Navy Rare HGU-20/P Clamshell Fighter Pilot Helmet by Robert Shaw Controls Co - Dated 1970 Lock Assembly We however also noticed aOriginal Item: Only One Available. Now this is an incredible helmet and piece of history! The United States Navy Type HGU 20 P Protective Flying Helmet is a "clam shell" hinge designed helmet. It features a white plastic outer shell with flip up clear plastic visor and smoked sun visor, black plastic liner adjustment knob on right side, visor knob on each side, helmet latch on each side, internal microphone, sage green nylon covered oxygen hose, green