war department

conduct a war / fight a war

tug-of-war (Tug of War / TW)

drone war (world’s first drone war)

air department

Army Medical Department (AMEDD)

deck department

Department of Commerce

Department of Defense (DOD)

Department of Defense Directive (DoDD )

Department of Defense Instruction (DODI)

Department of Homeland Security (DHS)

Department of Justice (DOJ)

Department of State

Department of the Air Force (DAF)

Department of the Army (DA)

Department of the Navy (DN)

Department of the Treasury

Department of Transportation (DoT)

gunnery department

military department

military education department

navigation department

Navy Department

RDX (Research Department eXplosive/Royal Demolition eXplosive), hexogen

supply department

Treasury Department

United Nations Department of Peacekeeping Operations (DPKO)

United Nations Department of Political Affairs (UN DPA)

Civil Defense Department

Department of the Army Pamphlet

admiralty department

Armament Supply Department