From mid-1943 until the bombing of Hiroshima in August 1945, the Office of Censorship helped keep the Manhattan Project secret by asking the press and broadcasters to voluntarily censor information they learned about atomic energy or the project. Perhaps the worst press violation occurred in August 1944, when due to procedural errors a nationwide Mutual Network broadcast mentioned the military creating a weapon in Pasco, Washington involving atom splitting. The Office of Censorship asked all recordings of the broadcast to be destroyed. As with radar, officials sometimes disclosed information to the press without authorization. That was not the first request for voluntary censorship of atomic-related information. Price noted in comments to reporters after the end of censorship that some 20,000 news outlets had been delivered similar requests. For the most part censors were able to keep sensitive information about the Manhattan Project from being published or broadcast. Slips of the tongue occurred with individuals knowledgeable about the project.