UPDATE: **SOLD** Was $7000.
While I doubt this served during the Korean War (which ended in mid-1953 .. see G503 discussion), this is the USMC version (Note the rings at the ends of the rear bumper) .
“1953 Jeep M38A1. Built for the USMC. Served in the Korean Conflict. Recently invested 5k (receipts available). All new brakes, fuel system, and hand wrapped wiring loom. Unique and collectable. Body is rough. Clear CA title. Serious inquiries only!”