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Encyclopedia > Defense Information Systems Agency
U.S. DISA Seal

The Defense Information Systems Agency (DISA, formerly known as the Defense Communications Agency) is a combat support agency of the United States Department of Defense (DoD) responsible for planning, developing, fielding, operating, and supporting command, control, communications, and information systems that serve the needs of the President, the Secretary of Defense, the Joint Chiefs of Staff, the Combatant commanders, and other Department of Defense components under all conditions of peace and war. Image File history File links Seal of the Defense Information Systems Agency, an agency of the Department of Defense File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version. ... The United States Department of Defense, abbreviated as DoD or DOD and sometimes called the Defense Department, is a civilian Cabinet organization of the United States government. ... The presidential seal was used by President Hayes in 1880 and last modified in 1959 by adding the 50th star for Hawaii. ... Seal of the United States Department of Defense The United States Secretary of Defense is the head of the United States Department of Defense, concerned with the armed services and The Secretary is appointed by the President with the approval of the Senate, and is a member of the Cabinet. ... Joint Chiefs of Staff of the United States of America symbol The Joint Chiefs of Staff, photographed in the Joint Chiefs of Staff Gold Room in the Pentagon on Jan. ... A Unified Combatant Command is composed of forces from two or more services, has a broad and continuing mission, and is organized either on a geographical basis (known as Area Of Responsibility, AOR) or on a functional basis. ...


The Global Information Grid-Bandwidth Expansion (GIG-BE) program reached Full Operational Capability (FOC) in 2005 and is now called the Defense Information Systems Network (DISN) Core. The U.S. Defense Information Systems Agency is one of the key agencies building the Global Information Grid The Global Information Grid (GIG) is defined as the globally interconnected, end-to-end set of information capabilities, associated processes, and personnel for collecting, processing, storing, disseminating, and managing information on demand...

Contents

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History

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Defense Communications Agency

The Defense Communications Agency (DCA) was established May 12, 1960 by then-Secretary of Defense Thomas S. Gates. Its mission was to manage the Defense Communications System (DCS), a consolidation of the independent long-haul communications functions of the Army, Navy, and Air Force. May 12 is the 132nd day of the year in the Gregorian Calendar (133rd in leap years). ... 1960 (MCMLX) was a leap year starting on Friday (the link is to a full 1960 calendar). ... Thomas Sovereign Gates, Jr. ... The United States Army is the largest branch of the United States armed forces and has primary responsibility for land-based military operations. ... The United States Navy (also known as USN or the U.S. Navy) is the branch of the United States armed forces responsible for conducting naval operations. ... The United States Air Force (USAF) is the aerospace branch of the United States armed forces and one of the seven uniformed services. ...


In the 1960s, DCA moved to Arlington, Virginia, and took on several major organizations. The Air Force Office of Commercial Communications Management (now the Defense Information Technology Contracting Organization), White House Signal Agency (now the White House Communications Agency), and the Department of Defense Damage Assessment Center (now the Joint Staff Support Center) all became a part of DCA. DCA also established six regional communications control centers and two area centers for operational control of the DCS. The 1960s decade refers to the years from 1960 to 1969, inclusive. ... Arlington County is a county located in the U.S. state of Virginia (which calls itself a commonwealth), directly across the Potomac River from Washington, DC. By an act of Congress July 9, 1846, the area south of the Potomac was returned to Virginia effective in 1847 As of 2000... North façade of the White House, seen from Pennsylvania Avenue. ...


In the 1970s, DCA subsumed the Minimum Essential Emergency Communications Network and the Military Satellite Communications Systems Office. It also became responsible for engineering and operating the Worldwide Military Command and Control System. In the 1980s, DCA absorbed the Joint Tactical Command, Control, and Communications Agency, improving its ability to manage and enhance the interoperability of command, control, and communications systems. The Joint Interoperability Test Command was formed within DCA to provide interoperability compliance testing and certification. The 1970s decade refers to the years from 1970 to 1979, inclusive. ... The examples and perspective in this article or section may not represent a worldwide view. ...

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Defense Information Systems Agency

On June 25, 1991, DCA was renamed DISA to reflect its role in providing total information systems management for DoD. DCA implemented several Defense Management Report Decisions (DMRD), most notably DMRD 918, which created the Defense Information Infrastructure, now known as the Global Information Grid (GIG). DISA consolidated several information processing centers into 16 Defense megacenters and, within a few years, consolidated them further into five mainframe-processing centers. The Joint Spectrum Center and the Defense Technical Information Center also became part of DISA. Employment peaks at more than 12,000 military and civilian members. June 25 is the 176th day of the year (177th in leap years) in the Gregorian Calendar, with 189 days remaining. ... 1991 (MCMXCI) was a common year starting on Tuesday of the Gregorian calendar. ... The U.S. Defense Information Systems Agency is one of the key agencies building the Global Information Grid The Global Information Grid (GIG) is defined as the globally interconnected, end-to-end set of information capabilities, associated processes, and personnel for collecting, processing, storing, disseminating, and managing information on demand...


Today, DISA is in the process of consolidating computing services even further; by September 2005, DISA computing services will consist of one headquarters component, four production system management centers, and several optimally staffed processing sites. Approximately 8,000 military and civilian employees work in DISA, and with the consolidation of computing services that number will be reduced by another 1,200.


DISA has been awarded five Joint Meritorious Unit Awards and continues to offer DoD information systems support, taking data services to the forward-deployed warfighter. The Joint Meritorious Unit Award is a military award that was established on June 4, 1981 by Secretary of Defense Caspar Weinberger and was implemented by Department of Defense Directive 1348. ... Information Systems is the discipline concerned with the development, use, application and influence of information systems. ...

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See also

  • Joint Task Force-Global Network Operations
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The JTF-GNO directs the operation and defense of the Global Information Grid. ...

Sources

  • DISA Mission Page
  • DISA History Page
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External links


 
 

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