Original U.S. Korean War 1953 Dated Aluminum Mermite Hot Cold Insulated Food Container with First Aid Supplies British Ordnance this example has the chin

this example has the chin strap fastened behind the helmet

however the bolts are easily interchangeable

After 1935 it was a training camp and military training area for the newly reconstituted Army

It's a bit unclear

Original U.S. Korean War 1953 Dated Aluminum Mermite Hot Cold Insulated Food Container with First Aid Supplies British Ordnance this example has the chinOriginal Item: Only One Available. These are known as Mermite Tactical Military Coolers that first began production in the 1950s and were manufactured and used through the 1990s. It consists of an insulated outer shell and three internal containers. The internal containers are offered in good to very condition with a capacity of 1. 5 gallons of food per container. Therefore, all three containers can hold 4. 5 gallons. Inside one of the containers is a