Pacific · United States vs Japan
Battle of the Philippine Sea
19 June 1944 – 20 June 1944
The Japanese Mobile Fleet sortied to break up the invasion of Saipan and met Spruance's Fifth Fleet in the largest carrier battle ever fought. Japanese air strikes were destroyed by radar-directed fighters in what American pilots called the Great Marianas Turkey Shoot, while submarines sank two fleet carriers. Japan lost some 600 aircraft and its carrier air groups were never rebuilt.
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Day by day
— The Turkey Shoot
Ozawa's aircraft outrange Mitscher's, so he launches from 300 miles out while Spruance, who will not leave Saipan uncovered, waits west of the island. Four raids come in between 10:00 and 15:00 and are met by radar-directed Hellcats: about 300 aircraft are shot down for the loss of 23, and the only bomb to hit anything all day dents the battleship South Dakota. Under the fleet, Albacore torpedoes the new carrier Taiho and Cavalla puts three into Shokaku; both blow up on their own petrol fumes.
— The mission beyond darkness
Mitscher finds Ozawa at 15:40, retiring west-north-west and refuelling, and launches 216 aircraft at 16:24 knowing they will come back in the dark and short of petrol. They sink the carrier Hiyo and two oilers and damage Zuikaku and Chiyoda for 20 aircraft lost. Eighty more ditch or crash on the way home, though Mitscher turns on every light in the fleet and most of the crews are picked up; Japan has lost about 600 aircraft in two days and will not rebuild the aircrew.