Abstract

_A few public actions prepared the way for the Russian invasion of Ukraine, the purpose of which was to define a special military operation as forced, necessary and inevitable. The use of armed force against Ukraine was discussed during those public events. The Russian authorities applied many arguments, and a great deal of attention was paid to the moral justification of war. In this article, I consistently analyze three problems: why did Russian officials use moral language to justify the war, what arguments did they use, and would these arguments retain their effect in the long term. I will examine several addresses made by the President of Russia and the Russian Federation Security Council meeting materials to address these questions. I conclude that Putin's lack of legitimacy forced him to justify the war in moral terms, and the peculiarities of Russian moral discourse allowed him to do that. However, even if this strategy was effective to a certain extent at the beginning of the war, it can hardly be stable and sustainable._ _Keywords_: invasion of Ukraine, Russia, Ukraine, just war, morality.