The article identifies the theoretical, methodological and practical principles of military law as a separate branch of law and clarifies its place and role in the legal system of Ukraine. Definitely. That military law is a system of universally binding norms, formally defined rules of conduct in the militarypublic sphere, which are established, protected and provided by the state and regulate public relations related to the military organization of society and aimed at protecting the state, sovereignty, territorial integrity. The main features of military law are normative, formal certainty, binding, regulatory, procedural, communication with the state, system. It is concluded that the formation and development of the concept of military law of Ukraine indicates that military law is objectified in legal reality and requires epistemological elaboration of its essence, social functions, prospects, scientific forecasting to ensure regulatory impact on important processes in military public sphere in the context of Russia's military aggression, which poses a direct threat to national security
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