Special Orders No. 21, issued by the Headquarters Southeastern Department, United States War Department, May 29, 1917. Orders Sergeants Hamilton Coolidge and Edmund E. Bates to be relieved from the Curtiss Aviation School and to proceed to Boston for…
Certificate of Graduation for Hamilton Coolidge from the United States Schools of Military Aeronautics at the Massachusetts Institute of Technology, July 14, 1917.
Certificate of Commission issued to Hamilton Coolidge, September 29, 1917. Acknowledges Coolidge's receipt of a commission to be 1st Lieutenant in the Aviation Section of the Signal Officers' Reserve Corps of the Army of the United States.
Special Orders No. 60, Headquarters 3rd Aviation Instruction Center, December 1, 1917. Gives orders to several officers at the 3d Aviation Instruction Center at Issoudun, France. Includes orders for 1st Lieutenant R. [sic] Coolidge to be detailed to…