* Defense Switched Network

A number of large private telephone networks are not connected to the PSTN, and are used for military purposes ( such as the Defense Switched Network ).

Today the system is unused, replaced in the early 1990s by the Defense Switched Network.

The Defense Switched Network ( DSN ) is a primary information transfer network for the Defense Information Systems Network ( DISN ).

de: Defense Switched Network

* Defense Switched Network

* Defense Switched Network

DISN services will include Defense Switched Network, DRSN, JWICS, SIPRNET, NIPRNET and VTC.

The Servicemembers Legal Defense Network was founded in 1993 to advocate an end to discrimination on the basis of sexual orientation in the U. S. Armed Forces.

* Distributed systems: the Defense Technology Experimental Research ( DETER ) testbed for Internet security, the Biomedical Informatics Research Network in health informatics, and Internet mapping efforts.

Note: In the Defense Data Network ( DDN ), a packet-switching node is usually configured to support up to thirty-two X. 25 56 kbit / s host connections, as many as six 56 kbit / s interswitch trunk ( IST ) lines to other packet-switching nodes, and at least one Terminal Access Controller ( TAC ).

The Defense Data Network ( DDN ) transmitted DC line signaling pulses or supervisory signals, or both, over carrier channels or cable pairs on a four wire circuit basis using a 2600 Hz signal tone.

At the same the Defense Information Systems Network was created to consolidate 122 DoD networks.

DISA serves as the single senior manager for all Defense Information System Network ( DISN ) activities.

The SIPRNET ( Secret Secure Internet Protocol Router Network ) 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 TCP / IP protocols in a " completely secure " environment.

NIPRNET ( Non-classified Internet Protocol Router Network ) ( formerly called the Non-secure Internet Protocol Router Network ) is used to exchange unclassified but sensitive information between " internal " users as well as providing military personnel access to the Internet, although certain social networking websites such as YouTube, Facebook, Myspace, Twitter, and some Google Apps used to be restricted by the U. S. Department of Defense ( DoD ).

The Defense Data Network Network Information Center ( DDN-NIC ) at SRI handled all registration services, including the top-level domains < tt > mil </ tt >, < tt > gov </ tt >, < tt > edu </ tt >, < tt > org </ tt >, < tt > net </ tt >, < tt > com </ tt > and < tt > us </ tt >.

The Defense Information Systems Agency ( DISA ) awarded the administration and maintenance of DDN-NIC, which had been managed by SRI since 1972, to Government Systems, Inc. which subcontracted it to the small private-sector firm Network Solutions, Inc.

He has been honored with awards from the Asian American Legal Defense and Education Fund, the Association for Asian Pacific American Artists, the Museum of Chinese in the Americas, the East West Players, the Organization of Chinese Americans, the Media Action Network for Asian Americans, the Center for Migration Studies, the Asian American Resource Workshop, the China Institute, and the New York Foundation for the Arts.

* 2005: ( Open Category ) Steer Madness and ( Web / Downloadable ) Global Defense Network

These include Workshop on Challenged Networks ( CHANTS ), Internet Network Management ( INM ), Large Scale Attack Defense ( LSAD ) and Mining Network Data ( MineNet ).

Krulak's staff assignments included: operations officer, 2nd Battalion 9th Marines ( 1977 – 1978 ); chief of the Combat Arms Monitor Section at Headquarters Marine Corps, Washington, D. C. ( 1978 – 1979 ); executive assistant to the Director of Personnel Management, Headquarters Marine Corps ( 1979 – 1981 ); Plans Office, Fleet Marine Forces Pacific, Camp H. M. Smith, Hawaii ( 1982 – 1983 ); executive officer, 3rd Marine Regiment, 1st Marine Expeditionary Brigade ; assistant chief of staff, maritime pre-positioning ships, 1st MEB ; assistant chief of staff for operations, 1st Marine Expeditionary Brigade ; and the military assistant to the assistant secretary of defense for command, control, communications and intelligence, Office of the Secretary of Defense.

The National Security Agency ( NSA ) is a cryptologic intelligence agency of the United States Department of Defense responsible for the collection and analysis of foreign communications and foreign signals intelligence, as well as protecting U. S. government communications and information systems, which involves information security and cryptanalysis / cryptography.

*** Two DSCS-III ( Defense Satellite Communications System ) communications satellites in one mission

Examples of communications subsystems include the Defense Communications System ( DCS ).

Note 2: " Long-haul communications " usually pertains to the U. S. Defense Communications System.

This interdepartmental committee recommended the formation of a single unified communications system to serve the President, Department of Defense, diplomatic and intelligence activities, and civilian leaders.

Tactical communications do not include communications provided to tactical forces by the Defense Communications System to non-tactical military commands, and to tactical forces by civil organizations.

According to the DoD the MIL-STD-188 – 300 Series contains “ communications system standards and design objectives applicable to the field of long haul and point-to – point communications in support of the Defense Communications System ( DCS ) and the National Military Command System ( NMCS ), and also to provide the necessary interface with non-DCS equipment .”

The Defense Information Systems Agency is in charge of supporting command, control, communications, and information systems for the military and would support the NCA.

The Defense Information Systems Agency ( DISA ) is a United States Department of Defense agency that provides information technology ( IT ) and communications support to the President, Vice President, Secretary of Defense, the military Services, and the Combatant Commands.

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.

After reviewing the separate and often uncoordinated service efforts in intelligence and communications, McNamara in 1961 consolidated these functions in the Defense Intelligence Agency and the Defense Communications Agency ( the latter originally established by Secretary Gates in 1960 ), having both report to the secretary of defense through the JCS.

Analysis by the U. S. Department of Defense showed a need for improved communications and coordination between the branches of the U. S. forces.

For example, in 2007, CPC General Secretary Hu Jintao told the 17th Communist Party Congress that China needed to increase its soft power, and the US Secretary of Defense Robert Gates spoke of the need to enhance American soft power by " a dramatic increase in spending on the civilian instruments of national security -- diplomacy, strategic communications, foreign assistance, civic action and economic reconstruction and development.

The Secretary of the Army ( SA or SECARMY ) is a senior civilian official within the Department of Defense of the United States of America with statutory responsibility for all matters relating to the United States Army: manpower, personnel, reserve affairs, installations, environmental issues, weapons systems and equipment acquisition, communications, and financial management.

In 1983, a nineteen year old UCLA student used his PC to break into a Defense Department international communications system.

The Chairman may also transmit communications to the combatant commanders from the President and Secretary of Defense as well as allocate additional funding to the combatant commanders if necessary.

Some time in late 1956 or early 1957 the Department of Defense released a requirement for a heavy-lift vehicle to orbit a new class of communications and " other " satellites ( the spy satellite program was top secret ).

* The proliferation of issue advocacy ads, by defining as " electioneering communications " broadcast ads that name a federal candidate within 30 days of a primary or caucus or 60 days of a general election, and prohibiting any such ad paid for by a corporation ( including non-profit issue organizations such as Right to Life or the Environmental Defense Fund ) or paid for by an unincorporated entity using any corporate or union general treasury funds.

In Hollywood movie Transformers when the Defense Purpose electronic communication fails ( mainly due to interference of the villain entities ) an officer tries to place a call back home through commercial network, but fails to get through the typical Indian call center, mainly due to the over-zealous salesmanship of the Indian operator who is more interested in advertising their new package than putting the call through.

Phillpott said that Shaffer was " relying on my recollection 100 percent ", and the Defense Department Inspector General's report indicated that Philpott strongly supported the social network analysis techniques used in Able Danger, and might have exaggerated claims of identifying the hijackers.

* Missile Defense: Formerly known as National Missile Defense, this program seeks to build a network of interceptor missiles to protect the United States and its allies from incoming missiles, including nuclear-armed missiles.

* The U. S. Department of Defense has started research on P2P networks as part of its modern network warfare strategy.

The Semi-Automatic Ground Environment ( SAGE ) was the Cold War operator environment created for the automated air defense ( AD ) of North American and by extension, the name of the associated network of radars, computer systems, and aircraft command and control equipment (" SAGE Defense System ") to replace the United States Air Force " manual air defense system " ( Col John Morton ).

The DCs also were linked with each other via a " crosstelling " communication network and interfaced with the Army Air Defense Command Posts including 10 Missile Masters for the smaller Nike missile radar networks.

In May 2003, the company was given a no-bid contract by the United States Department of Defense to build a cellular telephone network in Iraq.

The Committees for the Defense of the Revolution are a network of neighborhood organizations across Cuba and most Cubans are members.

In 2006, Scott Barfield, a Defense Department investigator, said there is an online network of gangs and extremists: " They're communicating with each other about weapons, about recruiting, about keeping their identities secret, about organizing within the military.

Many U. S. government agencies such as the Defense Advanced Research Projects Agency ( DARPA ), the National Security Agency ( NSA ), and the Department of Homeland Security ( DHS ) are investing heavily in research involving social network analysis.

Many U. S. government agencies such as the Defense Advanced Research Projects Agency ( DARPA ), the National Security Agency ( NSA ), and the Department of Homeland Security ( DHS ) are currently investing heavily in research involving social network analysis.

The SAGE system was a network linking Air Force ( and later FAA ) General Surveillance Radar stations into a centralized center for Air Defense, intended to provide early warning and response for a Soviet nuclear attack.

The SAGE system was a network linking Air Force ( and later FAA ) General Surveillance Radar stations into a centralized center for Air Defense, intended to provide early warning and response for a Soviet nuclear attack.

The SAGE system was a network linking Air Force ( and later FAA ) General Surveillance Radar stations into a centralized center for Air Defense, intended to provide early warning and response for a Soviet nuclear attack.

The SAGE system was a network linking Air Force ( and later FAA ) General Surveillance Radar stations into a centralized center for Air Defense, intended to provide early warning and response for a Soviet nuclear attack.

In the 1950s, in the hills above Colville, was the Colville Air Force Station, part of the Air Defense Command's network of radar stations.

This network, operated under the auspices of the National Science Foundation was called NSFNet, used the TCP / IP protocol that had been developed by the U. S. Department of Defense ARPANet and was the immediate forerunner to the Internet.

Combat Zones That See, or CTS, is a project of the United States Defense Advanced Research Projects Agency ( DARPA ) whose goal is to " track everything that moves " in a city by linking up a massive network of surveillance cameras to a centralized computer system.

A US Department of Defense investigation had reportedly found that the company had, " used a highly sensitive government computer network to collect competitive business information for its own use.

* DREN ( U. S. Department of Defense research and engineering network )

Funded by the Defense Advanced Research Projects Agency and the Air Force Research Laboratory, EROS was used as the basis for a trusted window system, a high-performance, defensible network stack, and the beginnings of a secure web browser.

In late 1951 Air Defense Command selected Lackland Air Force Base as one of twenty-eight radar stations built as part of the second segment of the permanent radar surveillance network.

Prompted by the start of the Korean War, on July 11, 1950, the Secretary of the Air Force asked the Secretary of Defense for approval to expedite construction of the second segment of the permanent network.

Controversy regarding Kirk's military record continued as other statements surfaced, such as Kirk stating “ the last time I was in Iraq I was in uniform, flying at 20, 000 feet, and the Iraqi Air Defense network was shooting at us .” Kirk has since clarified his previous statements, admitting that he was never fired on as he flew over Iraq or Kosovo.