This research examines military digital optimization as an information and communication system innovation in the industrial digitalization era 4.0. Advances in information and communication technology especially on the industrial revolution 4.0. The real impact is seen in several aspects of human- life. The industrial revolution 4.0 also provided a change in the government system into good governance. Technological advances also have an impact on the defense system or military system in Indonesia, especially for the Indonesian National Army, especially the (TNI AD) through the use of an e-military application system to facilitate the search for internal information related to TNI personnel. The research method is descriptive qualitative with a sampling technique that is purposive sampling. Kodam IX / Udayana, Denpasar, Bali as a location of this study. Data collection uses a structured interview method to a number of informants who have been willing to engage a number of 13 people.

Natural disasters can occur anywhere and anytime which can cause losses both in terms of material and non-material and can even cause casualties. Pomahan Village, Pulung District, Ponorogo Regency is located in a mountainous area so that the area is prone to disasters both in the form of natural disasters and non-natural disasters such as disasters arising from human activities. Public understanding of disaster mitigation must be improved, especially for the younger generation. It is intended that the risks or impacts arising from the occurrence of disasters can be reduced and the public knows about the first treatment in the event of a disaster. This service activity aims to increase the knowledge and abilities of the youth community in Pomahan village in disaster mitigation management. The implementation of service activities is carried out by holding socialization, discussion and question and answer. The implementation of this socialization activity was carried out to the youth community in Pomahan village. The socialization activity was carried out on Thursday 15 July 2021 which was carried out face-to-face via the Zoom application. The activity was attended by 10 participants from the youth community in Pomahan village. From these socialization activities, youth are expected to be able to apply the knowledge gained during socialization activities in the event of a disaster so that the impact can be reduced. The result of this community service activity is increasing knowledge from the youth community in Pomahan village about disaster mitigation management and first handling when a disaster occurs.