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Operation Doorstep (1953)

Operation Doorstep was a Civil Defense test carried out in conjunction with the much larger March 17, 1953, 16-kiloton ANNIE test conducted at the Nevada Test Site, part of Operation Upshot-Knothole. In the smaller Operation Doorstep test, blast and thermal effects were evaluated on mannequins, automobiles, and wooden frame houses.

	Housed at: Wikimedia Commons \| From: U.S. Department of Energy Digital Archive
	Underlying Work: PD U.S. \| Digital Copy: Attribution
	Download: Right click on images or see source for higher res versions.

BEFORE THE BLAST

AFTER THE BLAST

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Operation Cue (1955)

Original color version of the 1955 atom bomb test in Nevada, showing the effects on test houses and utilities located at various distances from the blast. Operation…more

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