From August 1924 to October 1924, Williams served as Squadron Adjutant at Kelly Field. From October 1924 to June 1925, he attended the Photography Course at the Air Service Technical School at Chanute Field, Illinois. From June 1925 to May 1926, Williams served with the 5th Observation Squadron at Mitchel Field, New York. While stationed there, as a second lieutenant, he was reported missing in the newspapers on a FLIGHT to Washington. In May 1926, Williams was transferred to France Field in the Panama Canal Zone, where he served with the 6th Composite Group and the 7th Observation Squadron. There, on 11 November 1927, he was promoted to first lieutenant. In 1928, he was commended for making an emergency landing in a crater lake in El Salvador and then spiraling his plane out of this Hazardous area after refueling. In July 1928, he became the operations officer of the 24th Pursuit Squadron at France Field and a year later, was assigned to command the 12th Photo Section, 24th Pursuit Squadron.