Headquarters American Aviation   35 Eaton Place, London SW1
<p>Base Section No. 3 S.O.S. A.E.F
1 August 1919
</p><p><br>
Sitting: 	
Col. c. R. Day, Aviation Ofticer. 
Standing: ( left to right) 
Lt. Col. w. H. Harme Technical Otficer
Maj. W.  A. Larned,  Asst.Aviation Officer
</p>
Maj. W. H.  Shutan,  Construction
Air Service, United States Army photograph
1918
National Archives of the United States via Gorrell's History of the American Expeditionary Forces Air Service, 1917-1919, Series B, Air Service Activities with the French, British, and Italians, Volume 2, History of the Air Service in Great Britain