With the Italian unification, during the Cavour IV Cabinet, the division of the two ministries remained, similar to the other European government bodies.

The Ministries of War, the Navy, and Aeronautics came under the control of the Italian Republic when it replaced the Kingdom of Italy in June 1946.

[2] Provisions which led to the actual unification of the Ministry had been the law n. 1862 of 12 December 1962[1] and law n. 1058 of 2 October 1964,[1] with which that delegation was renewed and extended by civil personnel in order to conform to needs derived from the organization of central and peripheral services offices, as well as of factories and military arsenals.

[10] The Chief of Defence is responsible for the planning, predisposition and use of armed forces in their entirety, and for these activities he is supported by a Staff and a Command of Joint Operations (COI).

The General Secretary manages the supplying of means, materials and weapon systems for the Armed Forces, the support to the Italian defence industry and direct/indirect offsets.

[12] The president of the CASD is responsible for the higher studies in the field of security and defence as well as for the training of the relative managers.

[11] The Directive Council examines and expresses its opinions on study programs of the two formation institutes, on activities of sessions and courses, on the evaluation system of Attending Officers and on all the organizational and functional aspects of CASD, aimed at increasing the maximum level of synergy in the use of the available human, material and financial resources.

The military general prosecutor at the Court of Cassation exercise the function of the Public Minister and does not take part to deliberations.

[14] It was established with law n. 561 of 30 December 1988[15] and it provides to assumptions, assignations, transfers, promotions, disciplinary proceeding and to every aspect involving the juridical status of military magistrates.