US M3 self-propelled guns and Marines from the 3rd Battalion, 9th Marines during the fighting at Cape Gloucester, New Britain, Papua New Guinea, South Pacific Ocean; January, 1944.

Camouflaged Marine Guns

An American self-propelled gun M3 leaves the landing ship on the coast of Cape Gloucester on the island of New Britain. Papua New Guinea, South Pacific Oean; January, 1944.

Self-propelled gun off the LST

Private James Sweek of the 2nd United States Marine Division with a captured Japanese Type 92 70mm Battalion Howitzer on Saipan, Mariana Islands; July 1944.