After their setback at Coral Sea, the Japanese turned their attention to one of the United States' last pacific holdings--Midway Island. The Japanese plan, drawn up by Admiral Yamamoto, the architect of Pearl Harbor, was to invade Midway Island, from which the Japanese could stage an invasion of Hawaii, completely expelling the Americans from the Pacific. However, having broken the Japanese codes, the Americans, under Admiral Chester Nimitz, knew what was coming, and sent out all its carriers, the Enterprise, the Hornet, and the Yorktown, which had been repaired since the Battle of Coral Sea and which the Japanese had thought they had sunk.
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