hitler was most unhappy with the criticism of his intentions expressed by neurath , blomberg , and fritsch in the hossbach memo , and in early 1938 asserted his control of the military-foreign policy apparatus through the blomberg-fritsch affair , and the abolition of the war ministry and its replacement by the okw , assuming the rank , role and title of the oberster befehlshaber der wehrmacht ( supreme commander of the armed forces ) .