Battle of Peleliu
The Battle of Peleliu, codenamed Operation Stalemate II by the US military, was fought between the United States and Japan during the Mariana and Palau Islands campaign of World War II, from 15 September to 27 November 1944, on the island of Peleliu.
Battle of Peleliu | |||||||
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Part of the Mariana and Palau Islands campaign of the Pacific Theater (World War II) | |||||||
The first wave of U.S. Marines in LVTs during the invasion of Peleliu on 15 September 1944. | |||||||
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Belligerents | |||||||
United States | Japan | ||||||
Commanders and leaders | |||||||
William H. Rupertus Paul J. Mueller Roy S. Geiger Herman H. Hanneken Harold D. Harris Lewis B. Puller |
Kunio Nakagawa † Sadae Inoue | ||||||
Units involved | |||||||
Additional support units |
Peleliu garrison
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Strength | |||||||
47,561: 36 |
10,900: 37 17 tanks | ||||||
Casualties and losses | |||||||
Total Palau Group
Breakdown by locations
Breakdown by service
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Total Palau Group
Breakdown by locations
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Location within Palau Battle of Peleliu (Asia) Battle of Peleliu (Pacific Ocean) |
US Marines of the 1st Marine Division and then soldiers of the US Army's 81st Infantry Division fought to capture an airfield on the small coral island of Peleliu. The battle was part of a larger offensive campaign known as Operation Forager, which ran from June to November 1944 in the Pacific Theater.
Major General William Rupertus, the commander of the 1st Marine Division, predicted that the island would be secured within four days. However, after repeated Imperial Japanese Army defeats in previous island campaigns, Japan had developed new island-defense tactics and well-crafted fortifications, which allowed stiff resistance and extended the battle to more than two months. The heavily-outnumbered Japanese defenders put up such stiff resistance, often by fighting to the death in the Japanese Emperor's name, that the island became known in Japanese as the "Emperor's Island."
In the US, it was a controversial battle because of the island's negligible strategic value and the high casualty rate, which exceeded that of all other amphibious operations during the Pacific War. The National Museum of the Marine Corps called it "the bitterest battle of the war for the Marines".