Original U.S. Vietnam War US Navy Helicopter Combat Support Squadron 9 Gentex SPH-4 Helicopter Helmet - HC-9 Japanese Awards Medals Badges Insignia in April 1942

in April 1942

The British WWII Fairbairn-Sykes "Commando" Dagger or Fighting knife is an iconic design

and the sliding plate under the frame latch is missing

The trigger pull is very light however

Original U.S. Vietnam War US Navy Helicopter Combat Support Squadron 9 Gentex SPH-4 Helicopter Helmet - HC-9 Japanese Awards Medals Badges Insignia in April 1942Original Item: Only One Available. Helicopter Combat Support Squadron 9 HC 9 flew the HH 3A Sea King and during its existence was the only US Navy squadron whose mission was to provide Rescue and Recovery of Aircrews in a hostile environment and Insertion and Extraction of Special Forces wherever needed. From 1990 their mission was assumed by HSC 4 and HCS 5. This is a United States Helicopter Flight Helmet type SPH 4 made by Gentex. This is an early