Коринто
Smith's next assignment was with the Marines at Corinto, Nicaragua, where he began a three-year tour of expeditionary duty in August 1930. Following that, he returned to Quantico, where he was appointed to the rank of lieutenant colonel. Then, after another short tour of duty in Philadelphia, he returned to Marine Corps Headquarters for duty with the Division of Operations and Training. With his promotion to colonel, he was named director of personnel.