The U.S. government was ostensibly wary of the emotions of grief and anger that could be unleashed in Japan as a result of the circulation of images of the destroyed city; it was probably just as concerned to keep the physical effects of its new and terrible weapon a secret. But this suppression of visual evidence served a third purpose: it helped, both in Japan and back home in America, to inhibit any questioning of the decision to use the bomb in the first place. (“Hiroshima: The Last Photographs,” via Design Observer)