Original U.S. Vietnam War Named Helicopter Pilot Gentex SPH-4 Helmet - Size Extra Large One-of-a-Kind The handle of this knife

The handle of this knife is made of a brass pipe

Nice bore with strong rifling that has a few minor spots

Survivors are hard to find today

These were issued to authorized personnel whose responsibility it was to watch the skies for an incoming German or Japanese attack

This fully functional example is in very good condition and nicely marked on the reverse:

Original U.S. Vietnam War Named Helicopter Pilot Gentex SPH-4 Helmet - Size Extra Large One-of-a-Kind The handle of this knifeOriginal Item: Only One Available. This is a United States Helicopter Flight Helmet type SPH 4 made by Gentex. The helmet is in overall excellent complete condition with the liner, headset, visor, microphone, and tint visor. The helmet is marked size X LARGE on the white label attached to the helmet shell, which also gives the order and stock numbers. The rear of the helmet is marked CIF L 37 COL. GRIER, giving information about the pilot it was