09/29/2026
🪖 The M1 helmet, the most famous American helmet of WW2, was actually two helmets in one.
The outer part was a shell of Hadfield manganese steel that soldiers called the steel pot. Nestled inside sat a separate liner holding the suspension that adjusted to the wearer's head. For duty away from combat, the liner could be worn on its own.
The design was officially approved on 6 June 1941, replacing the older M1917. By September 1945, more than 22 million had been made. Camouflage covers and netting were held in place simply by tucking their edges between the shell and the liner.
It stayed in US service for more than four decades until the Kevlar PASGT helmet began replacing it in 1985.
Did anyone in your family wear the steel pot, and what stories did they tell about it?