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 Black and White Stock Photos & Images - Alamy

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

3-D 'Motion Pictures' From The Civil War : The Picture Show : NPR

Counterintelligence in the Cold War and Beyond > National Museum of the United States Air Force™ > Display

Civil defense Black and White Stock Photos & Images - Alamy

Operation Doorstep (1953) – The Public Domain Review

Operation Doorstep (1953) – The Public Domain Review

24 Unsettling Before And After Photos From Operation Doorstep

Civil War Portraits from the Library of Congress

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

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

1953 CIVIL DEFENSE FILM OPERATION DOORSTEP NEVADA ATOMIC BOMB TEST 28072

1953 CIVIL DEFENSE FILM OPERATION DOORSTEP NEVADA ATOMIC BOMB TEST 28072

3-D Viewing for Civil War Photos