This document has been copied from a proposed manual prepared but not yet approved by General Headquarters, up to April 11, 1919, when a copy was sent to the United States. This appears to be a final revision of the first draft entitled "Tentative Manual for the Employment of Air Service." Topics covered: Part I. [General]; Part II. Corps and Army Observation; Part III. Pursuit; Part IV. Day Bombardment; Part V. Balloons.