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  2. 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.

  3. The Joint Worldwide Intelligence Communications System (JWICS) is a secure intranet system utilized by the United States Department of Defense to house "Top Secret/Sensitive Compartmented Information" In day-to-day usage, the JWICS is used primarily by members of the Intelligence Community, such as the DIA within the DoD, and the Federal Bureau ...

  4. United States Cyber Command - Wikipedia

    en.wikipedia.org/wiki/United_States_Cyber_Command

    United StatesArmed Forces. United States Cyber Command ( USCYBERCOM) is one of the eleven unified combatant commands of the United States Department of Defense (DoD). It unifies the direction of cyberspace operations, strengthens DoD cyberspace capabilities, and integrates and bolsters DoD's cyber expertise which focus on securing cyberspace.

  5. Defense Information System Network - Wikipedia

    en.wikipedia.org/wiki/Defense_Information_System...

    Defense Information System Network. The Defense Information System 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 sustaining base (I.e., base, post ...

  6. SIPRNet - Wikipedia

    en.wikipedia.org/wiki/SIPRNet

    SIPRNet. The Secret Internet Protocol Router Network ( SIPRNet) is "a system of interconnected computer networks used by the U.S. Department of Defense and the U.S. Department of State to transmit classified information (up to and including information classified SECRET) by packet switching over the 'completely secure' environment". [1]

  7. 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 ...

  8. United States Army Intelligence and Security Command

    en.wikipedia.org/wiki/United_States_Army...

    On 1 January 1977, the United States Army Intelligence and Security Command (INSCOM) was organized at Arlington Hall Station, Virginia, to provide the U.S. Army with a single organization for conducting multi-discipline intelligence, security operations, and electronic warfare at the level above corps. The new organization merged the former U.S ...

  9. Joint Information Environment - Wikipedia

    en.wikipedia.org/wiki/Joint_Information_Environment

    Joint Information Environment. The Joint Information Environment (JIE) is a single, joint, secure, reliable and agile command, control, communications and computing enterprise information environment to which the Department of Defense (DoD) is transitioning in a first-phase implementation that spans fiscal years 2013 and 2014. [1]