Ubitron Supplied conventional VTC solution to the Command Center of R.O.K Joint Chiefs of Staff. Product Supplied 1. Multipoint Video Conference and Video Surveillance System 2. Unifiled Video based Control System ( Developed by UBITRON ) [R.O.K Joint Chiefs and Staff] The main function is to support and assists the Minister of National Defense on military command and supervises each Service's combat operations forces upon receiving order from the Minister of National Defense as well as execute joint and combined operations via commanding and supervising joint forces.