Original U.S. Vietnam War Named Helicopter Pilot Gentex SPH-4 Helmet - Size Extra Large One-of-a-Kind Nice bore with strong rifling

Nice bore with strong rifling that has a few minor spots

There are also the expected dents

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

Flag shows so minor holes

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

Original U.S. Vietnam War Named Helicopter Pilot Gentex SPH-4 Helmet - Size Extra Large One-of-a-Kind Nice bore with strong riflingOriginal 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