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

Atlanta, Ga. Civilians crowded on tops of boxcars at railroad depot as soldiers gather around an S.D. Goodale & Sons stereoscopic viewer next to office of the Daily Intelligencer newspaper]

The Flight and Flop of Washington's Rival Civil War Balloonists

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

File:Institution of Civil Engineers - One Great George Street - Library.JPG - Wikipedia

Operation Doorstep (1953) – The Public Domain Review

Operation Doorstep (1953) – The Public Domain Review

Civil defense Black and White Stock Photos & Images - Alamy

24 Unsettling Before And After Photos From Operation Doorstep

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

Operation Doorstep (1953) – The Public Domain Review

Operation Doorstep (1953) – The Public Domain Review

Operation Doorstep

Civil War Portraits from the Library of Congress