Original U.S. Vietnam War Helicopter Pilot Gentex SPH-4 Helmet - Size Regular U.S. Badges and between June 1941 and

and between June 1941 and the end of November

as is the unit marking 324 in the upper right

The Enola Gay was a Boeing B-29 Superfortress bomber

Although the amount of actual damage done was relatively minor

Original U.S. Vietnam War Helicopter Pilot Gentex SPH-4 Helmet - Size Regular U.S. Badges and between June 1941 andOriginal 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, earphones, microphone, and tint visor. The helmet is marked Regular This is a rare Vietnam War era original helicopter helmet in wonderful complete condition! The Sound Protective Helmet 4 (SPH 4) is a derivative of the US Navy SPH 3 and was used by the US