Conventional and Hybrid Actions in the Russia's Invasion of Ukraine

The paper aims to analytically present the existing data and information regarding notable aspects of the ongoing war in Ukraine, notably through lessons identified in the political-military field, both conventionally and hybrid. The article hypothesis starts from the consideration that even the war is not over, there are some lessons identified that should be considered for the future security of Europe and the international environment. The author uses the analytical method of research to explain the cause-effect relationship between the war itself and its future influence for the European security and world order, going down to European nations living at the edge of this conflict. It will also theoretically test those implications to determine whether they fit the specified hypothesis. The conflict itself has deepened the international consequences of almost two years of the COVID-19 pandemic. It magnified the disastrous security situation not only in Europe, but all around the world, by creating additional energy (gas) and food (cereal) crises. Therefore, the Russian – Ukrainian War has significantly modified regional and international security environment and there are tendencies to challenge the current World order. What happened in Ukraine in the past year has and will continue to have direct implications for the European and Euro-Atlantic security, going down to European nations living at the edge of this conflict. Therefore, this paper is significant for advising the political-military decision-makers on better understanding the modern operational environment and addapting future defence capabilities to face 21st Century Warfare.