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

24 Unsettling Before And After Photos From Operation Doorstep

1953 Langley Inspection, Glenn Research Center

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

Ehren Yee on X: Home Office 213/926 In the aftermath of WWII, a secret British government operation, documented in Home Office file 213/926, forcibly repatriated hundreds of Chinese sailors from Liverpool. Here's

24 Unsettling Before And After Photos From Operation Doorstep

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

Operation Doorstep, Civil Defense Study, 1953 Stock Photo - Alamy

Civil War Glass Negatives and Related Prints - Background and Scope of the Collection - Prints & Photographs Online Catalog (Library of Congress)

operation doorstep - Keyword Search - Science Photo Library

Walter P. Reuther Library (4735) Flint Sit-Down Strike, Emergency Brigade, 1937