Original U.S. Vietnam War Unissued Helicopter Pilot Gentex SPH-4 Helmet Dated 1971 - Size Regular Ancient The extension includes an ejector

The extension includes an ejector

Crown Cork & Seal Company of Baltimore was one of two manufacturers that made around 20

a symbol dating back to the Ottoman Siege of Vienna in the 1680's

won the Medal of Honor for bravery in the battles around Chattanooga

Original U.S. Vietnam War Unissued Helicopter Pilot Gentex SPH-4 Helmet Dated 1971 - Size Regular Ancient The extension includes an ejectorOriginal 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, tinted visor and boom microphone. This is a rare Vietnam 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 Army since 1970. The SPH 4 is a single visor