Marines with the 11th Marine Expeditionary Unit and sailors aboard USS Pearl Harbor stand in formation during a 70th anniversary commemoration ceremony of the attack on Pearl Harbor here Dec. 7. (Cpl. Tommy Huynh/U.S. Marine Corps/Flickr)
Some days have profoundly changed the world. December 7, 1941, is one of them. The attack on Pearl Harbor by Japanese forces brought the United States into World War II. The conflict was the bloodiest war in history and a tragedy for all humankind. But it was also a turning point in history.
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