United States Navy in World War II was "sunk" at Pearl Harbor. It is correct to say that American industrial might was a deciding factor in World War II, and Admiral Yamamoto knew that a prolonged war for Japan was a losing war. The Battle of Midway, together with the Guadalcanal campaign, marked the turning point in the Pacific. Between June 4–7, 1942, the United States Navy decisively defeated a Japanese naval force that had sought to lure the U.S. carrier fleet into a trap at Midway Atoll. The Japanese fleet lost four aircraft carriers to the U.S. Navy's one American carrier and a destroyer. After Midway,
Japanese aircraft carrier Zuihō first wave spotted one group of four carriers from Task Force 58 at 07:34 and the Japanese carriers launched their aircraft an hour later. This consisted of 43 Zero fighter-bombers and 7 B6Ns, escorted by 14 A6M5 fighters; the carriers retained only 3 fighters, 2 fighter-bombers, 2 B6Ns and 2 B5Ns for self-defense and later searches. While the air strike was still forming up, the second wave of searchers located Task Force 58's battleships and the air strike was diverted to attack them. The Americans detected the incoming Japanese aircraft at 09:59 and had a total of 199 Grumman F6F