United States Department of Defense

Department of Defense redirects here. For the defense departments in governments of other countries, see defence ministry. The United States Department of Defense (DOD or DoD) is the federal department charged with coordinating and supervising all agencies and functions of the government relating directly to national security and the military. The organization and functions of the DOD are set forth in Title 10 of the United States Code.
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Noun
1. the federal department responsible for safeguarding national security of the UnitedStates; created in 1947
(synonym) Department of Defense, Defense Department, Defense, DoD
(hypernym) executive department
(part-meronym) Defense Advanced Research Projects Agency, DARPA