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noun
The federal department responsible for safeguarding national security of the United States; created in 1947.
synonyms: Defense, Department of Defense, DoD, United States Department of Defense.
is a specific kind of: executive department.
has as a part: DARPA, Defense Advanced Research Projects Agency | Department of Defense Laboratory System, LABLINK | Navy, United States Navy, US Navy, USN | Air Force, U. S. Air Force, United States Air Force, US Air Force, USAF | Defense Intelligence Agency, DIA | Defense Logistics Agency | Defense Technical Information Center, DTIC | National Reconnaissance Office, NRO | National Security Agency, NSA | Army, U. S. Army, United States Army, US Army, USA | Ballistic Missile Defense Organization, BMDO | Defense Information Systems Agency, DISA | National Geospatial-Intelligence Agency, NGA | Casualty Care Research Center, CCRC ... show more.
Find more on Defense Department elsewhere: etymology - rhymes - Wikipedia.
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