This monograph covers its entire subject matter in five chapters. In the first one, the author characterised Poland’s geopolitical location. In the second chapter, the autor described the potential of the Polish Army. First, he identified the potential in terms of terminology. The third chapter, describes the contemporary security environment from the point of view of a threat to Poland’s security. The fourth chapter, is a continuation of the considerations from chapter two. The last chapter, concerns the development of the army in the context of modern military and political conditions.