From August 1922 to July 1923, Johnson was given command of the 1st Observation Squadron at Mitchel Field on Long Island. In February 1930, Johnson assumed command of the 3rd Attack Group and Fort Crockett at Galveston, Texas. He was relieved of command in June 1932 and took a Military Intelligence assignment in Washington, D.C. Johnson was promoted to lieutenant colonel on 1 August 1935.
