The Driniumor River runs roughly south to the north with the mouth on the north coast of New Guinea. Known to the Japanese as the "Bando River". On the west side of the river inland is Afua. To the west of the river mouth roughly 17 miles away is Tadji and beyond Aitape. Today located in the Aitape-Lumi District of West
Sepik Province in Papua
New Guinea (PNG).
After the U. S. Army landed at Aitape on April 22, 1944, a covering force comprising the U. S. Army 32nd Infantry Division and 112th Cavalry Regiment were deployed on the western side of the Driniumor River to defend the eastern flank of the American perimeter. Until July 1944, only minor actions took place as the Americans were reinforced and built defensive positions along the Driniumor
River to meet an expected Japanese counter attack.
Battle of the Driniumor River
During the night of July 9-10, 1944 the Japanese Army crossed the Driniumor River to attack U. S. defenses on the western side and were eventually defeated. Afterwards, Americans in the Driniumor River area
by the Australian 2/4th Battalion at the end of November 1944.
Defending the Driniumor: Covering Force Operations in New Guinea, 1944 (1984) by Edward J. Drea
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May 14, 2019