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The Battle of Hollandia (code-named Operation Reckless) was an engagement between American and Japanese forces during World war II. It took place in spring of 1944 and was part of the New Guinea campaign. The landings were undertaken simultaneously with the amphibious landings at Aitape ("Operation Persecution") to the east. The battle was an unqualified success for the US forces, resulting in a withdrawal by the Japanese to a new strategic defence line in the west of New Guinea and the abandonment of all positions in the east of the island. ==Background== Hollandia was a port on the north coast of New Guinea, part of the Dutch East Indies, and was the only anchorage between Wewak to the east, and Geelvink Bay to the west. It was occupied by the invading Japanese during the invasion of the Dutch East Indies in 1942 and became a base for their expansion to the east towards the Australian mandated territories of Papua New Guinea. Hollandia was situated on the east side of a headland separating Humboldt Bay to the east and Tanahmerah Bay, 25 miles to the west. The town itself was on the shore of Humboldt Bay, with a first-class anchorage. The headland was formed by the Cyclops Mountains, a mountain ridge rising steeply to 7,000 ft and was backed by a Lake Sentani, extending 15 miles east to west. Between the mountain ridge and the lake was a narrow plain, where the Japanese had built a number of airfields; three had been completed by April 1944 and a fourth was under construction. In the spring of 1944 the Allied South West Pacific Command determined that the area should be seized and developed into a staging post for their advance along the north coast of New Guinea into the Dutch East Indies and to the Philippines.〔Kirby p419〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Battle of Hollandia」の詳細全文を読む スポンサード リンク
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