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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 ...
DoD Seal. This is a partial list of agencies under the United States Department of Defense (DoD) which was formerly and shortly known as the National Military Establishment. Its main responsibilities are to control the Armed Forces of the United States. It is headed by the Secretary of Defense.
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.
The Defense Information Systems Network (DISN) has been the United States Department of Defense's enterprise telecommunications network for providing data, video, and voice services for 40 years. [1] The DISN end-to-end infrastructure is composed of three major segments:
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.
And lastly, this definition removes the part of the definition that discusses the interfaces to coalition, allied, and non-Department of Defense users and systems. [ 5 ] The DoD's use of the term "GIG" is undergoing changes as the Department deals with new concepts such as Cyberspace Operations, GIG 2.0 (A Joint Staff J6 Initiative), and the ...
DoDAAC – Department of Defense Activity Address Code (U.S. Military) DoDAF – Department of Defense Architecture Framework (U.S. Military) DoDIC – Department of Defense Identification Code (U.S. Military) DOEHRS – Defense Occupational and Environmental Health Readiness System (U.S. Military) DOP – Drop-Off Point; DPMs – Disruptive ...
The capacity was approximately 1 Mbit/s digital data. The first launch, comprising 7 satellites, took place in June 1966. The system was declared operational with the 1968 launch and renamed to Initial Defense Satellite Communication System (IDSCS). [4] A total of 34 IDSCS satellites were built, with 8 lost in a launch failure in August 1966. [5]