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

Depression, War, & Cold War Mapping History at Illinois

1953 CIVIL DEFENSE FILM OPERATION DOORSTEP NEVADA ATOMIC BOMB TEST 28072

Operation Doorstep (1953) – The Public Domain Review

A series of images captured during Operation Doorstep a Civil Defense test in 1953. Blast and thermal effects were evaluated on mannequins, automobiles, and wooden frame houses. : r/oddlyterrifying

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

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

Civil War Portraits from the Library of Congress

Operation Doorstep (1953) – The Public Domain Review

1953 CIVIL DEFENSE FILM OPERATION DOORSTEP NEVADA ATOMIC BOMB TEST 28072

Operation Doorstep (1953) – The Public Domain Review

Ideological Foundations of the Cold War

Operation Doorstep (1953) – The Public Domain Review