as in the development of non-military defence capabilities in order to support the interests of the national defence. In anticipating the development of the maritime security situation of Indonesia’s territory, particularly in Natuna islands and Merauke territories, the increase of the development of defence force in these areas is necesary as part of the development of the defence posture as a whole based on the National Long-Term Development Planning. Development of an integrated system of national defence consists of military and nonmilitary defence is geared to synergize and enhance the effectiveness and efficiency of coordination in the implementation of national defence in facing of military, non-military, and hybrid threats. The development of national defence institutions is organized to realize the integrated national defence power by strengthening the defence management, and reorganizing and restructuring of the institutions. 42 The development of military and nonmilitary defence institutions is organized to realize the integrated national defence power by strengthening the defence management, and reorganizing and restructuring of the institutions. This is characterized into five functions: , establishing the Ministry of Defence vertical agencies in the region to