Original U.S. Korean War Era US Air Force Security Police Combat Defense Force M1 Helmet Liner for the Strategic Air Command - WWII MSA Liner Replica Non-Firing Guns Jones on October 17

Jones on October 17

even in this less than perfect condition

There has been some bubbling and oxidation

The group was responsible for air raid precautions in residential and smaller business areas

on the side under the rear sight

Original U.S. Korean War Era US Air Force Security Police Combat Defense Force M1 Helmet Liner for the Strategic Air Command - WWII MSA Liner Replica Non-Firing Guns Jones on October 17Original Item: Only One Available. This is a very nice example of a genuine WWII "High Pressure" helmet liner by Mine Safety Appliances (MSA). The liner was then reissued for post war use during the Korean War. The liner is marked on the left side with the unit insignia of the U. S. Air Force Strategic Air Command. Helmet liners such as these were often worn during training as well as a patrol helmet, as the steel helmets were not required, and could