cooperation system has been reinforced by setting up a collaboration system with the Ministry of Science, ICT and Future Planning and revising the GPS Signal Disturbance Crisis Response Manual. Meanwhile, to prepare for cyber-attacks from North Korea, the cyber-operations execution system has been upgraded, with a new cyber strategy unit created within the Joint Chiefs of Staff. In accordance with the ‘Act on Anti-terrorism for the Protection of Citizens and Public Security’ and the Enforcement Decree of the said Act, the ROK military is methodically implementing its ‘Joint Chiefs of Staff Terrorism Readiness Comprehensive Development Plan,’ while also continuously improving its preparedness and response capability against attempts to disturb our GPS signals and cyber-attacks by North Korea. 58 Chapter 3 establishing a robust Defense Posture