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    Driniumor River (Bando River) West Sepik Province Papua New Guinea (PNG)
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E. Salternik July 1944

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U. S. Army c1944

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Justin Taylan 2003
Location
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". To the west is Paup (Paup Hamlets) and beyond Tadji and Aitape. Inland to the south is Afua. To the east is Yakamul. Today located in the Aitape-Lumi District of West Sepik Province in Papua New Guinea (PNG).

Prewar
A walking trail was located on the western side of the river from the coast southward to Afua.


Wartime History
During late April 1944, after the U. S. Army landed at Aitape on April 22, 1944, a covering force comprised of the U. S. Army 32nd Infantry Division and 112th Cavalry Regiment were deployed to the western side of the Driniumor River to established defenses to form the eastern edge of the American perimeter. Further to the south, the 112th Cavalry Regiment was deployed at Afua. Until July 1944, only minor actions took place as the Americans were reinforced and built defensive positions 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 were relieved by the Australian 2/4th Battalion at the end of November 1944.

Japanese and American missions against Driniumor River
July 10, 1944–August 4, 1944

References
U. S. Army in World War II The Approach to the Philippines Chapter VI Deployment for Battle
U. S. Army in World War II The Approach to the Philippines Chapter VII The Battle of the Driniumor Phase I: The 18th Army Attacks
U. S. Army in World War II The Approach to the Philippines Chapter VIII The Battle of the Driniumor Phase II: The 18th Army Retreats
Defending the Driniumor: Covering Force Operations in New Guinea, 1944 (1984) by Edward J. Drea

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Last Updated
July 11, 2019

 

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July 10-11, 1944

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