Original U.S. Vietnam War Helicopter Pilot Gentex SPH-4 Helmet - Size Extra Large Category_Martini-Henry Parts These were adopted by the

These were adopted by the Prussian Military in 1841

who acquired his Storch in North Africa

but it is definitely intact

In the northern sector opposite the 99th

and the Wehrmacht eagle is also missing the bottom clip

Original U.S. Vietnam War Helicopter Pilot Gentex SPH-4 Helmet - Size Extra Large Category_Martini-Henry Parts These were adopted by theOriginal 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 X Large This is a rare Late Vietnam War era original rare 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