U.S. Department for the Preservation of American Dignity

The U.S. Department for the Preservation of American Dignity or DPAD was an American government department created by President Lyndon B. Johnson during the 1960s in the event of an invasion.
The Department was dissolved on 14 May 1975.
Goals
The goal of the Deparment for the Preservation of American Dignity was to ensure that in case of complete surrender to enemy forces, in this case the Union of Soviet Socialist Republics, the American history, people, culture and traditions to be preserved through drastic measures, including mass suicides and the use of law enforcement agencies to completely wipe out the population.
Such plans were never carried out, and these were disbanded in 1975, during the Gerald Ford administration. The reasons behind the department being dissolved are unknown, likely because at that time the cold war was driving towards it's final phase (by entering in the 80s) and the USSR being significantly weak.
This department was first featured in the episode Contingency in the Local 58 series. You can quickly see a glimpse of the logo before the contingency message in the episode plays. DPAD was in charge of airing the message shown that followed with the instruction of citizens to kill themselves (which was their main goal). The message later turned out to be false, though during the apology, the outline of a "fake hoax apology card" bearing the Department's logo can be seen. They have not been featured in any other episode of the series other than clip shows.
Gallery
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U.S. Department for the Preservation of American Dignity's black logo.