Following the Armistice in 1918, Maj. Gen. Mason M. Patrick, Chief of Air Service, American Expeditionary Forces, directed that a record be made of lessons lear

From April to November 1918, the American Air Service grew from a poorly equipped, unorganized branch of the US Expeditionary Forces to a fighting unit equal to

The first comprehensive coverage of the major branches and ace pilots of the Russian Air Service in the Great War.