The Imperial Japanese Navy's surprise attack on Pearl Harbor in Oahu, Hawaii, severely damaged or demolished 19 American naval vessels, destroyed 188 aircraft, killed 2,280 American servicemen and 68 civilians, and wounded more than 1,000 military personnel. The following day, the US declared war on Japan. Pearl Harbor is now a national historic landmark; a memorial has been built over the sunken hulk of the USS
Arizona. How many Japanese planes reached Oahu on the morning of the attack?
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