UPDATE: Joshua notes this is a Ford GP.
The photo was published in the June 12, 1941, issue of the Madera Tribune.
“U. S. Army’s celebrated little “jeep” or “blitz buggy* technique, as shown here. Camouflage removed to into a hole under camouflage to provide new fightin ” which seems to go everywhere these days, now goes take picture, during maneuvers at California’s Ft. Ord. Captain William A. Dodds designed mount for .50-caliber gun.”































