What was the Battle of Okinawa?

The Battle of Okinawa, also known as the "Typhoon of Steel", was a World War II battle between the U.S. and Japanese forces on Okinawa, the largest of the Ryukyu Islands. The island is located approximately 350 miles (563 km) south of Kyushu and was regarded as a vital precursor to a ground invasion of the Japanese home islands. The invasion of Okinawa was the largest amphibious landing conducted by the U.S. during the Pacific War. The main landings on Okinawa occurred on April 1, 1945, on the Hagushi beaches near the central part of the island’s west coast. Organized resistance was not over until June 21, 1945. The battle was one of the bloodiest in the Pacific War, claiming the lives of more than 12,000 Americans and 100,000 Japanese.

When and where did the Battle of Okinawa take place?

The Battle of Okinawa occurred from April 1 to June 21, 1945. It took place on Okinawa Island, the largest of the Ryukyu Islands, located approximately 350 miles (563 km) south of Kyushu. The battle, part of the Pacific War , involved U.S. and Japanese forces. The Americans invaded Okinawa on April 1, 1945, and met little opposition at the beach since the Japanese commander decided to fight further inland. The campaign officially ended on July 2. The capture of Okinawa was considered vital for a potential ground invasion of the Japanese home islands.

Who fought in the Battle of Okinawa?

The Battle of Okinawa, also known as the "Typhoon of Steel," was fought between the U.S. and Japanese forces on Okinawa Island from April 1 to June 21, 1945. Under the command of Adm. Chester Nimitz, the U.S. ground troops were commanded by Lieut. Gen. Simon Bolivar Buckner, Jr. The invasion began on April 1, 1945, when U.S. ground troops landed at Hagushi. The Japanese force defending the Naha-Shuri area numbered about 60,000. The Japanese commander was Ushijima Mitsuru. The battle claimed the lives of more than 12,000 Americans and 100,000 Japanese. On June 22, Ushijima and his chief of staff committed ritual suicide rather than surrender to the Americans.

Why was the Battle of Okinawa important in World War II?

The Battle of Okinawa, fought from April 1 to June 21, 1945, was a crucial World War II battle between U.S. and Japanese forces on Okinawa, the largest of the Ryukyu Islands. The capture of Okinawa was vital for a planned ground invasion of the Japanese home islands because it was intended to be the last stepping-stone before invading Kyushu. The island was to serve as a staging area and supply base, as well as allow for intensified aerial bombardment of Japan. The battle claimed the lives of more than 12,000 Americans and 100,000 Japanese. The U.S. suffered heavy losses to kamikaze attacks, and the invasion was the longest and bloodiest Pacific campaign since Guadalcanal.

What happened during the fighting on the island?

During the Battle of Okinawa, which lasted from April 1 to June 21, 1945, U.S. forces faced fierce Japanese resistance on land, sea, and air. The U.S. 10th Army landed on Okinawa's west coast on April 1, 1945, and initially met little opposition, but the Japanese commander had decided to meet the invaders farther inland. The Japanese forces were well-entrenched, and the Americans made frontal assaults on enemy positions with heavy artillery support. The Japanese launched counterattacks, including kamikaze plane raids and the deployment of the battleship Yamato on a suicide mission. The Americans also encountered the baka, a piloted cruise missile, for the first time. Fighting was especially intense in the southern part of Okinawa, with battles for key locations such as Chocolate Drop Hill, Naha, and Shuri. Despite heavy casualties on both sides, U.S. forces gradually advanced, and the battle ended on June 21, 1945.

What were the effects and consequences of the Battle of Okinawa?

The Battle of Okinawa, fought from April 1 to June 21, 1945, was a crucial and bloody battle of World War II. The capture of Okinawa was essential for the planned invasion of the Japanese home islands. The battle had far-reaching effects and consequences:

Battle of Okinawa

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Black-and-white historical map showing the final phase of World War II in the Far East in 1945, covering eastern China, Manchuria, Korea, Japan, and surrounding seas. Shading distinguishes areas occupied by Allied forces, regions heavily bombed by the Allies, and Japanese cities bombed by the U.S. Air Force or Navy. Arrows and dates indicate Allied advances and key bombing campaigns, with major cities, islands, and battle locations labeled.

Antique map from 1902 showing the southern part of Japan, the Liu-Kiu (Ryukyu) Islands, and Formosa (Taiwan), with an inset highlighting the Bonin and Sulphur Islands. The map details island names, major towns, and marks locations of active volcanoes during the 19th century.

US Coast Guard amphibious vehicles advance toward Okinawa as a Navy battleship fires a bright broadside at Japanese positions, with gun flash visible over the water.

US Navy battleship number 199 fires a barrage of rockets, leaving smoke trails in the sky over the ocean during the Battle of Okinawa, World War II.

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Battle of Okinawa

World War II [1945]

Also known as: Operation Iceberg

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Battle of Okinawa, (April 1–June 21, 1945), World War II battle fought between U.S. and Japanese forces on Okinawa, the largest of the Ryukyu Islands. Okinawa is located just 350 miles (563 km) south of Kyushu, and its capture was regarded as a vital precursor to a ground invasion of the Japanese home islands. Dubbed “the Typhoon of Steel” for its ferocity, the battle was one of the bloodiest in the Pacific War, claiming the lives of more than 12,000 Americans and 100,000 Japanese, including the commanding generals on both sides. In addition, at least 100,000 civilians were either killed in combat or were ordered to commit suicide by the Japanese military.

Planning and preliminary operations

As the campaign on Iwo Jima was drawing to a close in March 1945, U.S. commanders marshalled strong army, air, and naval forces in preparation for Operation Iceberg, the invasion of Okinawa. The island, which is about 60 miles (roughly 100 km) long and no more than 20 miles (32 km) across at its widest point, had been thoroughly fortified by a Japanese garrison of some 100,000 men under the command of Lieut. Gen. Ushijima Mitsuru. Acknowledging that the battle for Okinawa would very likely replicate the brutal losses of Iwo Jima on a much greater scale, American planners hoped to overwhelm the Japanese with a massive preliminary bombardment and the largest amphibious landing conducted by the U.S. during the Pacific War.

The air and sea attacks that preceded the invasion had begun as early as October 1944, and Allied air operations carried out in March 1945 by carrier Task Force 58 under Rear Adm. Marc Mitscher destroyed hundreds of Japanese planes. While these losses reduced the Japanese defenders’ ability to challenge the Americans in the skies over Okinawa, the Japanese retained sufficient air power to stage devastating suicide attacks on Allied naval units. On March 26 a preliminary landing was made on the Kerama Islands, about 15 miles (24 km) to the west, where some 350 small boats had been assembled for suicide attacks on the landing force. Another preparatory landing was made on Keise, a collection of coral islets just 11 miles (18 km) southwest of the main invasion beaches. From Keise, American 155-mm Long Tom artillery batteries could provide fire support across most of southern Okinawa.

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Invasion

Over the final days of March, American underwater demolition teams and minesweepers cleared obstacles from the landing beaches. Under the overall leadership of theatre commander Adm. Chester Nimitz, Fifth Fleet commander Adm. Raymond Spruance would oversee the landings and U.S. ground troops would be commanded by Lieut. Gen. Simon Bolivar Buckner, Jr. The invasion was launched on April 1, 1945, when a contingent of U.S. ground troops landed at Hagushi, on the west coast of central Okinawa. Before nightfall, some 50,000 men of the U.S. 10th Army, under the command of Buckner, had gone ashore and established a beachhead about 5 miles (8 km) long.

*Yamato*The Japanese battleship *Yamato*, 1941.

The Japanese response to the beach landings was deceptively muted, and by April 4, U.S. Army troops and Marines had cut the island in two. The first major Japanese counterattack came on April 6–7 in the form of suicidal raids by more than 350 kamikaze planes and the battleship Yamato. The Japanese had hoped that Yamato might finish off the Allied fleet after it had been weakened by the wave of kamikazes, but, with no air cover, the largest battleship ever constructed was easy prey for Mitscher’s carrier-based planes. The sinking of the Yamato on April 7 conclusively signaled the end of the “all-big-gun” battleship era of naval warfare. Altogether more effective were Japan’s aerial suicide weapons. Baka, essentially a piloted cruise missile, made its debut at Okinawa. Baka claimed its first victim, the destroyer USS Abele, in the seas off Okinawa on April 12.

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Ernie PyleErnie Pyle (centre left) with a U.S. Marine patrol during the Pacific campaign in World War II.

Elements of the 10th Army drove cautiously to the north and had pacified the entire northern two-thirds of the island by April 22. During this period, U.S. forces suffered perhaps their highest profile casualty of the battle when journalist Ernie Pyle was killed in combat. Pyle, whose coverage of the European conflict had made him one of the most beloved war correspondents of World War II, had accompanied the 77th Infantry Division in an assault on Ie, an island just west of Okinawa. On April 18, while traveling to a forward command post, Pyle was mortally wounded by Japanese machine-gun fire.

Battle of Okinawa

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Planning and preliminary operations

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Invasion