Special Order No. 204, Headquarters First Air Depot, Zone of Advance, American Expeditionary Forces, January 18, 1919. Assigns Marc Lagen to duty as Personnel Officer, Balloon Section.
Special Order No. 9, Troop Headquarters, S.S. Venezia. P., March 18, 1919. Assigns two men as assistants to Marc Lagen. Includes a sketch of a man and woman on verso.
Special Orders No. 106, Office of First Army Air Service Commander, American Expeditionary Forces, December 7, 1918. Authorizes Marc Lagen to wear a second war service chevron.
Special Orders No. 109, Office of First Army Air Service Commander, American Expeditionary Forces, December 12, 1918. Grants Marc Lagen leave of absence and permission to visit Nice, France and vicinity. Two copies.
Special Orders No. 111, Headquarters Services of Supply, American Expeditionary Forces, July 1, 1918. Orders Marc Lagen to proceed to the Third Balloon Company station.
Special Orders No. 13, Headquarters Services of Supply, American Expeditionary Forces, March 25, 1918. Assigns Marc Lagen to duty at Headquarters Air Service, Services of Supply.
Special Orders No. 17, Headquarters Services of Supply, American Expeditionary Forces, March 29, 1918. Instructs Marc Lagen and two other men to proceed to Saumur, France and report for duty with the Artillery School Commandant.
Special Orders No. 175, Headquarters Plattsburg Training Camp, October 5, 1917. Discharge from 18th Provisional Training Regiment for Candidate Marc A. Lagen due to physical disability.
Special Orders No. 18, U.S. Army, December 21, 1917. Orders a number of recently-arrived officers, including Marc Lagen, to proceed to Paris, France and report to the Commanding General, Line of Communications.