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  2. Organizational structure of the United States Department of ...

    en.wikipedia.org/wiki/Organizational_structure...

    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 ...

  3. United States Department of Defense - Wikipedia

    en.wikipedia.org/wiki/United_States_Department...

    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.

  4. The Defense Counterintelligence and Security Agency ( DCSA) is a federal security and defense agency of the United States Department of Defense (DoD) that reports to the Under Secretary of Defense for Intelligence. [1] DCSA is the largest counterintelligence and security agency in the federal government and is responsible for providing ...

  5. Defense Information Systems Agency - Wikipedia

    en.wikipedia.org/wiki/Defense_Information...

    United StatesArmed Forces. The Defense Information Systems Agency ( DISA ), known as the Defense Communications Agency ( DCA) until 1991, is a United States Department of Defense (DoD) combat support agency composed of military, federal civilians, and contractors.

  6. Washington Headquarters Services - Wikipedia

    en.wikipedia.org/wiki/Washington_Headquarters...

    Washington Headquarters Services ( WHS) is a Department of Defense (DoD) Field Activity, created on October 1, 1977, to provide administrative and management support to multiple DoD components and military departments in the National Capital Region and beyond. WHS currently has approximately 1,200 civilian and military employees and 2,000 ...

  7. the public. No. The Joint Worldwide Intelligence Communication System ( JWICS, / ˈdʒeɪwɪks / JAY-wiks) is the United States Department of Defense 's secure [citation needed] intranet system that houses top secret and sensitive compartmented information. JWICS superseded the earlier DSNET2 and DSNET3, the Top Secret and SCI levels of the ...

  8. Office of the Secretary of Defense - Wikipedia

    en.wikipedia.org/wiki/Office_of_the_Secretary_of...

    The Office of the Secretary of Defense (OSD) is a headquarters-level staff of the United States Department of Defense.It is the principal civilian staff element of the U.S. Secretary of Defense, and it assists the Secretary in carrying out authority, direction and control of the Department of Defense in the exercise of policy development, planning, resource management, fiscal, and program ...

  9. United States Department of the Navy - Wikipedia

    en.wikipedia.org/wiki/United_States_Department...

    The United States Department of the Navy (DON) is one of the three military departments within the Department of Defense of the United States of America.It was established by an Act of Congress on 30 April 1798, at the urging of Secretary of War James McHenry, to provide a government organizational structure to the United States Navy (USN); since 1834, it has exercised jurisdiction over the ...