 He served as senior member of boards to (1) to revise the orders for gunnery and bombing exercises for aircraft and (2) to draw up a doctrine for aircraft in connection with fleet fire control.He was assistant chief of the Bureau of Aeronautics from 1923 to late in 1925.In cooperation with the US Geological Survey, he initiated the Aerial Photographic Survey of Alaska and the Aleutian Islands by naval aircraft.