Original U.S. Vietnam War US Navy Helicopter Combat Support Squadron 9 Gentex SPH-4 Helicopter Helmet - HC-9 British Helmets The flag header is marked

The flag header is marked WHITE ENS 4 with a BROAD ARROW stamped together with production number 5713298

such as the Burn Injury Set

Large enough to engulf the entire weapon including butt stock these certainly provided extreme protection from the elements

Barrel length: 21 in (530 mm)

of Sheffield (they produced helmets beginning in 1915)

Original U.S. Vietnam War US Navy Helicopter Combat Support Squadron 9 Gentex SPH-4 Helicopter Helmet - HC-9 British Helmets The flag header is markedOriginal 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