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

Photographs Eisenhower Presidential Library

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

1953 CIVIL DEFENSE FILM OPERATION DOORSTEP NEVADA ATOMIC BOMB TEST 28072

This Is No Clam Bake: Mayor La Guardia and the Office of Civilian Defense — NYC Department of Records & Information Services

Welfare photos of Operation Cue Atomic Explosion - - c9a9998a3d503d715076297e58ba3cae - PICRYL - Public Domain Media Search Engine Public Domain Search

Grems-Doolittle Library Collections Blog: Civil Defense and Civil Disobedience: Operation Alert in Schenectady in 1960

Ideological Foundations of the Cold War

Operation Doorstep (1953) – The Public Domain Review

Welfare photos of Operation Cue Atomic Explosion - - c9a9998a3d503d715076297e58ba3cae - PICRYL - Public Domain Media Search Engine Public Domain Search

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

The Day in Photos, October 1967: A Turning Point

File:Operation Doorstep - Destruction of house n°1 - Frame 6.jpg - Wikimedia Commons

In Operation Doorstep, conducted during the larger

24 Unsettling Before And After Photos From Operation Doorstep