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**FILE** A group of American and British POWs being held by the Germans, including Lt. Col. John H. Van Vliet Jr. and Capt. Donald B. Stewart, look over a mass grave where murdered Polish officers are buried, near Smolensk, Russia, in May 1943. The Soviet secret police killed the Poles in 1940, hoping to eliminate an elite that would have resisted Soviet control of Poland. Van Vliet and Stewart were among a group of British and American prisoners forced to see the horrifying site by the Germans, who wanted word to get out to the world of the Soviet atrocity. (Associated Press)

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