prevent war and strengthen the capability to sustain war, should one occur, the ROK military is continuously improving its mobilization plans to more efficiently marshal available human and material resources to support wartime military operations as well as disaster or emergency response operations. The ROK military is pursuing a revision of the relevant laws and regulations so that the units required to execute operations can be selectively and partially mobilized during a situation when an ‘integrated defense situation’ is declared in order to minimize the impact on the lives of citizens and the national economy. In 2016, Mobilization Supplement Battalions complete with troops, equipment, supplies and ammunition were established as part of an effort to create a wartime supplementation system. Meanwhile the zone-based mobilization designation system,11) which was piloted in 2013, is set to be progressively expanded until 2018 for optimal implementation results. The transportation plan for the mobilized resources in the Seoul metropolitan area is also being reviewed and revised appropriately by taking into consideration operational and traffic conditions. In 2017, the Army Mobilization Force Command is planned to be established to strengthen the fighting capability of wartime mobilized ground forces. Through the establishment of this Command, the Army’s frontline operations execution conditions will be improved as the forces mobilized for those units that are critical for operations during the early stages of war will be trained to be elite forces. The part-time military service program,12) which was piloted in 2014 to guarantee the immediate combat power of the mobilized forces during a contingency, is scheduled to be expanded in scope and eligibility by 2020 to compensate for the reduction of active-duty personnel. The process of troop mobilization is assisted by the National Defense Mobilization Information System and the Mobilization Designation System of the Military Manpower Administration to ensure that the operational requirements of the military are met. The management of mobilization operations will also be continuously improved for both wartime and peacetime mobilization by upgrading the National Defense Mobilization Information System and linking it with systems of other government agencies. Peacetime mobilization operations are evaluated for improvement both through drills and actual mobilization during the Chungmu Exercise, as part of a sustained effort to guarantee the effectiveness of wartime mobilization. While appropriately adjusting the wartime mobilization system for supplies and munitions based on combined requirements with the Ministry of Public Safety and Security and other 11) the system manages mobilization resources by dividing the country into two zones and assigns mobilization reserve forces based on units in which they served during the period of active duty. 12) a program in which volunteering officer reservists, enrolled in a mobilization reserve division or reserve replacement battalion, serve for 20 days annually, participating in unit training and managing mobilization resources, to achieve a readiness posture capable of promptly carrying out missions during a contingency. 60 Chapter 3 establishing a robust Defense Posture