Just 40 miles north of Port Moresby, the position at Ioribaiwa, was held by the remnants of the 2/14th and 2/16th, which were reinforced by Brigadier Kenneth Eather's 25th Brigade, consisting of the 2/25th, 2/31st and 2/33rd Infantry Battalions, as well as the Militiamen of the 3rd Infantry Battalion.