 While there he graduated from the Company Officers' Course in 1926.He commanded the 7th Engineer Regiment at Fort Benning, Georgia, for two years from 7 August 1928, and then the 2nd Battalion, 11th Engineer Regiment at Corozal, in the Panama Canal Zone until 11 October 1930.Returning to the United States on 31 December 1931, Heavey was posted to Washington, D.C., for duty with the Construction Section in the Office of the Chief of Engineers.