The relevance of the res earch is determined by a scientifi c terminological confusion regarding of the term “metacognitivism”, concerning the nature and interrelationships between various metacognitive parameters, which has become widespread in psychology. It also concerns professional experience of the National Guard of Russia servicemen, gained in the context of modern combat, and the infl uence of this experience on the structural organization of the metacognitive subsystem of mental models of military men.