Memorandum issued by Captain W. P. Kelleher to First Lieutenant Marc Lagen, August 25, 1918. Informs Lagen that he will relieve another officer for his meals for the next two days.
Memorandum issued by the Headquarters Air Service, First Army, Balloon Section, November 12, 1918. Notes permission of Captain Marc A. Lagen and accompanying chauffeur to be in Bar-le-Duc and Ligney (France) on official business.
Memorandum issued by Headquarters, Third Balloon Squadron (Camp de Souge, France), July 1, 1918. Assigns guard detail for following day, with Marc Lagen assigned as officer of the day.
Memorandum issued by First Lieutenant Marc Lagen to C.A.S., Balloon Section, July 8, 1918. Reports change of station with Marc Lagen reporting for duty to Third Balloon Company, A.P.O. #704.
Special Orders No. 23, Headquarters Air Service First Army, American Expeditionary Forces, September 6, 1918. Assigns fourteen men, including Marc Lagen, to various duties. Lagen assigned Assistant to Army Balloon Commander.
Special Orders No. 32, Headquarters First Army, American Expeditionary Forces, August 27, 1918. Assigns eight men, including Marc Lagen, to station in town where First Army Headquarters are located. Includes handwritten notes regarding rations.
Special Orders No. 32 (extract), Headquarters First Army, American Expeditionary Forces, August 27, 1918. Assigns Marc Lagen to station in town where First Army Headquarters are located. Two copies.
Special Orders No. 62, Headquarters First Army American Expeditionary Forces, October 21, 1918. Assigns nine men, including Marc Lagen, to various duties. Lagen assigned Assistant to Balloon Officer.