Days after the United States dropped atomic bombs on Hiroshima and Nagasaki, an Army leader briefed a group of top government officials at the Department of War in Washington. 
 

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“If you were a cabinet secretary, or one of the few who received this briefing, think of the sense of … Awe and dread,” Michael Krepon, co-founder of Washington think tank the Stimson Center, said this week as he showed AFP the historic images. 
 

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