 Maitland graduated in June 1935.From September 11, 1935, to July 16, 1938, he commanded the 8th Attack Squadron at Barksdale Field, Louisiana, flying the Northrop A-17 attack bomber.On July 20, 1940, Major Maitland and his wife Kathleen "Kay" Maitland were sent to the Philippine Department for a two-year tour of duty in command of the 28th Bombardment Squadron.