a Japanese island in the west Pacific Ocean, southwest of Kyushu, where an important battle took place between the US and Japan in 1945 near the end of World War II. Island of Japan, located in the Ryukyu archipelago, in the East China Sea. The largest island in the Ryukyu chain, it is about 70 mi (112 km) long and 7 mi (11 km) wide, with an area of 463 sq mi (1,199 sq km). It was the site of severe fighting between the U.S. and Japan in World War II. In April 1945 U.S. troops made an amphibious landing on Okinawa, which was heavily defended by the Japanese. In a three-month-long campaign, both sides sustained heavy casualties before U.S. forces gained control of the island. In 1972 the United States returned jurisdiction over Okinawa to Japan, though U.S. military installations remained
{i} island southwest of Japan in the north Pacific, largest island of the Ryukyu Islands, site of one of the last major campaigns of World War II in which American troops seized control of the Island (from the Japanese)
a campaign in the closing days of World War II in the Pacific (April to June 1945); in savage close-quarter fighting United States marines and regular army troops took the island from the Japanese; considered the greatest victory of the Pacific campaign for the Americans the largest island of the central Ryukyu Islands