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The Battle of Okinawa was the last major ground battle between the armed forces of the Empire of Japan and the United States of the Pacific War. United States Army and United States Marine Corps ground forces landed on the island on 1 April 1945 at 08:30 am. The Battle of Okinawa lasted 83 days until 22 June, when the island was declared secured. The defense of the island was divided into three strong Japanese lines where hidden guns, machine guns and bunkers covered approaches and fields. Soldiers on the ground fought a grueling battle to occupy the island. The United States Navy and its support ships were larger in numbers than those at Normandy in June 1944, and were attacked repeatedly by Japanese kamikaze aircraft, sinking and damaging a significant number of vessels. It was a battle in which more than 12,000 American and 100,000 Japanese soldiers lost their lives. ==Airfield development== With the conquest of Okinawa, the United States obtained a key location to launch an invasion of the Japanese Home Islands, planned for November 1945. Base development plans were drawn up to provide for 18 runways on Okinawa and three on Ie Shima, instead of the eight and two originally planned respectively for the two islands. Construction of airfields on Okinawa was to center on the provision of facilities for B-29 Superfortress operations, while Ie Shima was to be developed primarily as a base for Very Long Range (VLR) P-47N Thunderbolt and P-51H Mustang fighter escorts. Work on fighter airfields was initially given the highest priority in order to provide land-based air cover during the assault. By 10 April Kadena and Yontan airfields had been reconditioned for successful operations. By the end of May construction was in progress on ten different bomber and fighter runways on Okinawa and Ie Shima. Of these only the fields at Yontan and Kadena and one of the fighter runways on Ie Shima were near completion. The first American runway built on Okinawa was the 7,000-foot medium bomber runway at Yontan, completed on 17 June. By the end of June a 7,500-foot VLR strip at Kadena was 25 percent complete, two 5,000-foot fighter runways at Awase and Chimu for Navy use were ready for operation, an 8,500-foot VLR runway at Bolo Point was 15 percent complete, and construction was under way for VLR and a medium-bomber runway at Futema. By the end of the Okinawa campaign the full realization of the plans for the development of major air bases in the Ryukyus lay in the future. Most of the airfields would not be completed for two or three months, although fighters were flying from some to attack Kyūshū. 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「United States Army Air Forces in Okinawa」の詳細全文を読む スポンサード リンク
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