Vietnam Era M1 Helmet with WW2 Reconditioned Shell?

Was it a standard practice to use re-manufactured WW2 era M1 shells during the Vietnam War? I picked up this helmet today: The shell has a front seam and a swivel bale. The heat treatment number is hard to make out, but I think it was made by McCord.

The liner's webbing has a DSA number that dates it 1972, and the sweat band's DSA number shows 1974. Both the shell and liner have tape on the backs, with the name "Carrigan" and "D-3-2". I'm guessing the D would be "D Company", but not sure of the "3-2". It also has the word "OHIO" written in ballpoint on the chin strap. Any ideas?

https://www.milsurps.com/images/impo...17/07/h1-1.jpg

https://www.milsurps.com/images/impo...17/07/h2-1.jpg

https://www.milsurps.com/images/impo...17/07/h3-1.jpg

https://www.milsurps.com/images/impo...17/07/h4-1.jpg

https://www.milsurps.com/images/impo...17/07/h5-1.jpg

We used the US M1 helmets when I enlisted in the CDN army in 1974, and even then I could tell that this one was different from that one. We had early and late, new and first issue types...and issued them without and care whatsoever as the anything. If it's a serviceable helmet, it's out there. We used them until we destroyed them, and destroy them we did.

It's you collectors that think they're something special...

In the Marine Corps it goes: Company/Battalion/Regiment.

IE, Delta Coy 3rd Battalion 2nd Marines...here.

Quote:

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Originally Posted by browningautorifle

We used the US M1 helmets when I enlisted in the CDN army in 1974, and even then I could tell that this one was different from that one. We had early and late, new and first issue types...and issued them without and care whatsoever as the anything. If it's a serviceable helmet, it's out there. We used them until we destroyed them, and destroy them we did.

It's you collectors that think they're something special...

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You got it. It was the same way for me when I enlisted in the US Army in 1968. There were a few WW2 helmet liners about, the chin straps changed styles, but we pretty much used front seam, rear seam. fixed bail, swivel bail and every kind of paint the supply room passed out without regard to period correctness. The Kevlar helmets starting replacing the steel pots in USAREUR during the mid-Eighties.

As for the markings, very possibly identify "Delta Company, 3rd Battalion, 2nd Training Brigade" at any of the US Army Training Centers before the Army began renaming training units with historical regimental designations.

My second duty station in 83 I checked into the supply room and drew my field gear. Supply NCO plops down an M1 helmet and liner. Camo cover was already on it so all I had to do was pop out the head band and put mine in. A few months later while in the field I rubbed my hand across the front and felt something under the cover. So in my spare time I pulled it off and low and behold there were a set of Captain's bars, silver in color soldered on the front. Out comes the bayonet and I pried them off. On the back was stamped sterling silver. I think they are still in one of my junk boxes with dog tags, etc.

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Originally Posted by old tanker

Delta Company, 3rd Battalion, 2nd Training Brigade

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Makes more sense too, this is typical marking style of a training facility. This was you know who owns the occupant at a distance, sometimes with Binos even...during an ex...(Field problem).