Promoted to colonel, Dutra took command of the 4th Cavalry Divisional Regiment (1931-1933) in Três Corações, where he fought the Constitutionalist Revolution in São Paulo in 1932. Defended the government of President Washington Luís against the rebels of 1930s, but already in 1932, fought the Constitutionalist Revolution in São Paulo. Appointed commander of the 1st Military Region (1935-1936), stood out in reaction to the communist movement in 1935, episode known as “Intentona Comunista”, occupying the post of Minister of War (1936-1945).