Here is an experimental M-1 developed for the U.S Army. There were several models produced and tried. This model is pictured in Chris Arnold's book Steel Pots. I found the helmet on Ebay and am very pleased to add it to my collection.
helm40 wrote:This was one of those tricky Ebay finds. I think one other person bid on it. Snuck through I guess.
HoovieDude wrote:Nice!!! I ended up with another one from the same collection. A WW2 experimental crash helmet/liner for armored troops, which makes two experimental pieces I have now. The other being a X-51 liner, also seen in the book. Here is the crash helmet..