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U.S. Army Spc. Bryan McGuigan, a Tactical Satellite Operator assigned to 112th Signal Detachment, Special Operations Command Korea, briefs U.S. Eighth Army Commanding General, Lt. Gen. Thomas S. Vandal about the SDN SOF Deployable Node during a static display at a Republic of Korea Special Warfare Command Installation near Icheon, Republic of Korea December 1, 2016, as a part of the 2016 C4I (Command Control Communication Computers Intelligence) Summit. The C4I Summit showcases joint interoperability between U.S. and ROK forces.