Operation Doorstep, Civil Defense Study, 1953 - Stock Image - C033/4519 - Science Photo Library

Basement lean-to shelter with mannequins. Operation Doorstep was a civil defense study conducted by the Federal Civil Defense Administration in conjunction with Upshot-Knothole Annie. NNSA/Nevada Field Office/SCIENCE PHOTO LIBRARY

Civil defense fallout hi-res stock photography and images - Alamy

24 Unsettling Before And After Photos From Operation Doorstep

Photograph, Operation Doorstep, Civil Defense Stud

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Atom bomb test site hi-res stock photography and images - Page 3 - Alamy

1953 'operation doorstep', ALL images click thru- then …

Just A Car Guy: Operation Doorstep 1953 civil defense research into the effects of nuclear attacks

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1953 CIVIL DEFENSE FILM OPERATION DOORSTEP NEVADA ATOMIC BOMB TEST 28072

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March 31, 1965 - Tragedy during a mission, March 31, 1965, …

Operation Doorstep (1953) – The Public Domain Review

Operation Doorstep (1953) – The Public Domain Review

24 Unsettling Before And After Photos From Operation Doorstep

Operation Doorstep (1953) – The Public Domain Review