The war in Ukraine is the biggest battle between two modern armies equipped with advanced conventional weapons in recent decades in the geography of Europe, which has involved dozens of countries directly and indirectly. The main concern of the researchers is to calculate the operational lessons of the war between Russia and Ukraine in the form of geostrategic confrontation between the two naval and land superpowers in the Ukrainian region, based on the new world order and power geometry, which is descriptive-analytical through the use of library methods. (documents) and survey/field by holding expert meetings with six people in the form of a focus group and conducting in-depth interviews. Key themes using Mexquida software based on experts' opinions, library studies and expert meetings, statistics and confirmation of extracted factors in an expert information community of 28 people with demographic characteristics (strategic occupations with the rank of major general and above, familiar to the country of Ukraine and Russia, the senior intelligence analyst of the region of Russia and the Caucasus) was analyzed and tested, the result of which is the statistics of 30 key themes in the form of operational lessons of this geostrategic confrontation for future generations.
Nasab et al. (Sun,) studied this question.