During 1918, the School for Aerial Observers and the Air Service Flying School were built at nearby Post Field, where Walker spent the next four years as a pilot, instructor, supply officer, and post adjutant.
The School for Aerial Observers and the Air Service Flying School were built at nearby Post Field. This was during 1918. Walker spent the next four years as a pilot. Walker spent the next four years as instructor. Walker spent the next four years as supply officer. Walker spent the next four years as post adjutant.