6th Signal Center
Korea Theater Network Operations and Security Center (TNOSC)
257th Signal Company
"Sentinels / The Backbone of the ROK"
The 6th Signal Center, the Korean Theater Network Operations and Security Center (Korea TNOSC) mission is to provide situational awareness of theater communications through remote monitoring, proactive management and direct coordination with the IFCOs and Tech Control Facilities. In addition, the TNOSC is responsible for Enterprise Systems Management integration, Long-Haul backbone fiber optic and digital radio communications, DSN voice communications, monitoring of DISA assets, and security administration for the KWAN and SWAN-K digital networks throughout the Republic of Korea.
The 6th Signal Center was first constituted on 10 August 1944 in the Army of the United States as the 3257th Signal Service Company and activated on 25 August 1944 in England. It was inactivated on 25 November 1945 in Germany.
The unit was redesignated on 25 March 1953 as the 257th Signal Company, allotted to the Regular Army, and activated at Camp Gordon, Georgia. It was inactivated on 25 June 1959 at Camp Gordon, Georgia.
It was reactivated on 12 August 1963 in France and inactivated on 12 November 1967 in Germany. It was again reactivated on 1 July 1974 in Korea and again inactivated on 16 October 1995 in Korea.
The unit was redesignated on 27 January 2005 as the 6th Signal Center. It was activated on 16 October 2006 in Korea.
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