I read with interest the letter from Sgt T. Stewart, USMC 1952-55, concerning the USMC Personnel Carrier. I wonder if the persistence and insidiousness of time haven't messed with his memories. I know it happens to me, all the time. Things I would swear to are no more than a warped shadow of the true past. That may be why he's having such a difficult time finding the vehicle he remembers.
Anyway, what we called a Personnel Carrier (PC) during the early '60s was an M37 3/4 ton 4X4 Dodge pickup truck. Mostly used by our unit to transport the Guard Mount. I have to wonder if the vehicle Sgt. Stewart's Corpsman drove to the field might have been a M43 3/4 ton 4×4 ambulance. Produced January 1951 to July 1954, they were fairly common in the Marine Corps from that time forward.
Just offering an alternate reality for your consideration.
Forged on the anvil of discipline.
The Few. The Proud.
Jerry D.