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

In Operation Doorstep, conducted during the larger

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

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

Operation Doorstop atom bomb test, 1953 - Stock Image - C028/4090 - Science Photo Library

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

Civil defense Black and White Stock Photos & Images - Alamy

1953 CIVIL DEFENSE FILM OPERATION DOORSTEP NEVADA ATOMIC BOMB TEST 28072

File:Operation Doorstep - Destruction of house n°1 - Frame 1.jpg - Wikimedia Commons

24 Unsettling Before And After Photos From Operation Doorstep