The newly reorganised 18th Infantry Brigade Group (Jungle) would return to New Guinea with the 7th Infantry Division as the division’s reserve force. From the reserve force to the spearhead of the Allied campaign in the Finisterre Range, the brigade would achieve a striking victory against the Japanese 78th Infantry Regiment. This was a battle that required a commander and brigade staff to manage numerous attached units, supporting arms and its own infantry formations – all while assaulting up mountainous ridgelines to fortified Japanese positions. The Finisterre campaign, specifically Operation Cutthroat, demonstrated an excellent example of an Australian infantry brigade group (jungle) in action.