From a serving officer in the Ukraine military. The objective of this study is to conduct a comprehensive analysis of the security situation in Ukraine across various domains: in the air (ACC), on land (LCC), at sea (MCC), in cyberspace (Cyber), and in space (Space). The aim is to fully understand the current situation and predict its medium-term development within the framework of applying NATO principles. An additional task involves identifying the 'Centre of Gravity (COG),' a crucial aspect that often receives insufficient attention in contemporary operational planning and combat strategies.The aim of this study is to conduct a critical evaluation of the current security situation in the most threatening areas of the front to achieve a realistic understanding and to propose measures for its improvement. Acquiring a thorough awareness of the situation during the period of russian aggression is crucial for identifying correct priorities in neutralizing the enemy's offensive potential by the military-political leadership of Ukraine. This approach also allows for consideration of the genuine challenges faced by the civilian population.