May 7, 1942 - U.S. Navy Jack Flag
May 7-8, 1942 - In the Battle of the Coral Sea, Japanese and American navies attack each other with carrier-launched warplanes. It is the first time in the history of naval warfare where two fleets fought without seeing each other.Two crucial battles in 1942 marked the turning point of the war in the Pacific.
May 10, 1960 - The USS Nautilus completes the first circumnavigation of the globe underwater.
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