Also known as: MD-, md.
MD has various meanings in the US category. Discover the full forms, definitions, and usage contexts of MD in US.
One of the departments within the Department of Defense created by the National Security Act of 1947, which are the Department of the Army, the Department of the Navy, and the Department of the Air Force. Also called MILDEP. also Department of the Air Force; Department of the Army; Department of the Navy.
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