Original Rare U.S. 1950s Era Experimental X51 "Universal Helmet" Liner with Intact Rigging - Size Small French Awards Medals Badges Insignia It is marked ROCK ISLAND

It is marked ROCK ISLAND ARSENAL along with an inspection mark

654 Vietnamese were killed during 1967

literally "storm rifle model of 1944 was an assault rifle developed in NSDAP Germany during World War II that was the first of its kind to see major deployment and is considered by many historians to be the first modern assault rifle

it was very common for units to make commemorative items such as hats

Original Rare U.S. 1950s Era Experimental X51 "Universal Helmet" Liner with Intact Rigging - Size Small French Awards Medals Badges Insignia It is marked ROCK ISLANDOriginal Item: Only One Available. Well these are RARE!!! There isn't much information out there at all about the X51 helmets, which were developed and tested during the 1950s. They were seen as an attempt to use new technology to improve upon the M1 helmet, which had served the U. S. Military well during WWII. Also with the post war budget cuts, they looked to create a "Universal Helmet", which would be able to meet the needs of all service members.