Mortar men of US 1st Marine Division firing against a Japanese artillery position, Cape Gloucester, New Britain, Bismarck Archipelago, circa 15-25 Dec 1943LST-66 landing troops during the invasion of Cape Gloucester, New Britain, Bismarck Archipelago, Dec 1943Japanese Army corporal Shigeto being dug out of his burrowed defensive position, Cape Gloucester, New Britain, Bismarck Archipelago, circa mid-Dec 1943M4 Sherman tank and men of the US 1st Marine Division moving toward the airfield at Cape Gloucester, New Britain, Bismarck Archipelago, Dec 1943