The article analyses the problem in connection with factors, stimulating cadets’ multilingualism at the General Jonas Žemaitis Military Academy of Lithuania (MAL). Motivation is considered to be one of the main determinants. Taking into account the main factors that influence the successful learning pathway of cadets, an individual is able to concentrate all his/her energy to reach the goal – achieve English language level II according to NATO language proficiency scale (STANAG 6001). The article presents a research, the results of which show the main reasons why cadets learn foreign languages and what motivates them. Additionally, it is significant to demonstrate how language learning at school correlates with the choice of foreign languages at MAL. The article presents findings, analyses and generalizes research results which can be useful in the development of learning and teaching of foreign languages, also in the broadening and improving knowledge about the motivation of learning.