#12 The assembled implosion sphere for Fat Man ready to be placed in the casing.

#12 The assembled implosion sphere for Fat Man ready to be placed in the casing.

History’s Hidden Moments: Declassified Photos Capture U.S. Prepping for Hiroshima & Nagasaki Bombings

#12 The assembled implosion sphere for Fat Man ready to be placed in the casing.

WWII

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