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The Pentagon, headquarters of the United States Department of Defense.. The United States Department of Defense (DoD) has a complex organizational structure.It includes the Army, Navy, the Marine Corps, Air Force, Space Force, the Unified combatant commands, U.S. elements of multinational commands (such as NATO and NORAD), as well as non-combat agencies such as the Defense Intelligence Agency ...
The chain of command leads from the president (as commander-in-chief) through the secretary of defense down to the newest recruits. [2] [3] The United States Armed Forces are organized through the United States Department of Defense, which oversees a complex structure of joint command and control functions with many units reporting to various commanding officers.
The United States Space Force is organized by different units: the Space Staff, the field commands, and the space deltas. The Space Force is organized as one of two coequal military service branches within the Department of the Air Force, the other being the United States Air Force. Both services are overseen by the Secretary of the Air Force ...
t. e. The Joint Chiefs of Staff (JCS) is the body of the most senior uniformed leaders within the United States Department of Defense, which advises the president of the United States, the secretary of defense, the Homeland Security Council and the National Security Council on military matters.
United StatesArmed Forces. The United States Department of Defense (DoD, [2] USDOD, or DOD) is an executive branch department of the federal government of the United States charged with coordinating and supervising all agencies and functions of the U.S. government directly related to national security and the United States Armed Forces.
Team: The smallest unit. A fire team consists of a team leader (usually a sergeant or corporal), a rifleman, a grenadier, and an automatic rifleman. A sniper team consists of a sniper who engages the enemy and a spotter who assists in targeting, team defense, and security. 4 soldiers.
The United States secretary of defense (SecDef) is the head of the United States Department of Defense, the executive department of the U.S. Armed Forces, and is a high-ranking member of the federal cabinet. [ 5 ][ 6 ][ 7 ] The secretary of defense's position of command and authority over the military is second only to that of the president of ...
Department of Defense Agencies, Field Activities, and others. Defense Advanced Research Projects Agency (DARPA) Defense Commissary Agency (DeCA) Defense Contract Audit Agency (DCAA) Defense Contract Management Agency (DCMA) Defense Counterintelligence and Security Agency (DCSA) Defense Finance and Accounting Service (DFAS)