"1912. "Army aviation, College Park. Tests of Curtiss plane for Army. "
"1912. "Navy aviation. Commodore J.C. Gillmore in Curtiss headless plane, dual control, at College Park Army flying field. Lieutenant Milling, right.""
"1917. "Langley, Samuel Pierpont. Secretary, Smithsonian Institute. Experimental tandem biplane on Potomac embodying Langley principles." "
submarine plane 1923
"January 19, 1925. Loening amphibian plane. Maj. Henry Clagett, Gen. William Mitchell, Grover Loening at Bolling Field"
"January 18, 1922. Fort McNair, Washington, D.C. "Naval Curtiss bombing plane at War College." "
May 8, 1925. Washington, D.C. " 'Yorktown.' Christening of Sikorsky plane." That's Igor Sikorsky himself third from the left in the Homburg (his personal trademark).
Smithsonian Institute museum circa 1921
"September 25, 1923. Brigadier General William Mitchell in Washington, D.C. An important figure in the development of military aviation, "Billy" Mitchell is regarded as the father of the U.S. Air Force. His criticism of Army and Navy leaders after the crash of the airship Shenandoah in 1925 led to a court-martial and subsequent resignation. When it came to clothes, cars and horses, he was a connoisseur of the good life."
"Feb. 20, 1925. Rep. P.B. O' Sullivan, Gen. Billy Mitchell and Maj. Henry B. Clagett with biplane ("Plover") at Bolling Field."