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Despite this on December 7, 1941, at about 8:10 in the morning, at Pearl Harbor a 1,760-pound armor piercing bomb from a Japanese bomber that struck the Arizona’s fuel and ammunition supply, causing an explosion so large it lifted the 31,400-ton battleship out of the water. This explosion killed about 1,177 US navy sailors, and in those 1,177 were thirty-eight sets of brothers.