First Army Air Service

First Army Air Service
1918 lithograph, Air Combat - Western Front
Active	10 August 1918 – 15 April 1919
Country	United States
Branch	United States Army Air Service
Type	Air Service
Role	Command and Control
Part of	American Expeditionary Forces (AEF)
Engagements	World War I

The First Army Air Service was an Air Service, United States Army unit that fought on the Western Front during World War I as part of the Air Service, First United States Army. The First Army Air Service was the largest and most diverse Air Service combat organization of the American Expeditionary Forces in France, and most American Air Service combat units were assigned to it when assigned to the front.

The organization was demobilized in France on 15 April 1919 with the demobilization of the United States First Army. It was reconstituted in the Organized Reserve^{[citation needed][dubious – discuss]} on 15 October 1921 as Headquarters, First Army Air Service, assigned to the First Army and allotted to the First Corps Area. It was then allotted to the Regular Army in 1928, and then inactivated in December 1929.^{[citation needed]}