Naval history of World War II 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, and the exhausting attrition of the Solomon Islands campaign, Japan's shipbuilding and pilot training programs were unable to keep pace in replacing their losses while the U.S. steadily increased its output in both areas. Military historian John Keegan called the Battle of Midway "the most stunning and decisive blow in the history of naval
Japanese aircraft carrier Zuikaku In May 1942, she was assigned along with "Shōkaku" to support Operation Mo, the invasion of Port Moresby, New Guinea. Alerted by intercepted and decrypted Japanese naval messages, the Americans dispatched the carriers and to stop this operation. On 8 May 1942, during the Battle of the Coral Sea, the main carrier forces located one another and launched maximum-effort raids, which passed each other in the air. Hidden by a rain squall, "Zuikaku" escaped detection, but "Shōkaku" was hit three times by bombs and was unable to launch or recover her aircraft. In return, torpedo and dive bombers from both