- Coolidge, Calvin, 1872-1933.1
- Coolidge, Calvin, 1908-1924.1
- Coolidge, Grace Goodhue, 1879-1957.1
- Davison, Frederick Trubee, 1896-1
- Dern, George Henry, 1872-1936.1
- Distinguished Flying Medal.1
- Dive bombers.1
- Douglas DC-2 (Transport plane)1
- Fitzmaurice, James C., 1898-1965.1
- Flandin, Pierre-Étienne, 1889-1958.1
- Flandin, Pierre-Étienne, 1889-1958.1
- Fokker airplanes.1
- Great Britain. Royal Air Force.1
- Heads of state.1
- Hoover, Herbert, 1874-1964.1
- Howard of Penrith, Esme Howard, Baron, 1863-1939.1
- Hünefeld, E. G. (Ehrenfried Günther), Freiherr von, 1892-1929.1
- Ingalls, David S. (David Sinton), 1899-1985.1
- Jahncke, Ernest L. (Ernest Lee), 1877-1960.1
- Kellogg, Frank B. (Frank Billings), 1856-1937.1