Aerial photograph of Courcelles, France, June 9, 1918.Inscription: "Photo Anglaise. Gare de Courcelles. 55DA 1604 Courcelles 9/6/18. [Translation: English Photo. Train depot of Courcelles.]"
Ascension report slip for Marc Lagen, June 9, 1918. Documents Lagen's length of time with the 54th French Balloon Company, number of ascensions, and total hours logged.
Composite aerial photographs of Réchicourt, France, June 12, 1918.Inscription: "Vue de Gare de Réchicourt. 6CA A5927. 12 Juin 1918. Gare de Réchicourt, A5926 12 Juin 1918. [Translation: View of train depot in Réchicourt.]"
Company Order No. 4, Third Balloon Squadron, U.S. Army, June 14, 1918. Confirms the six-month foreign service of three men, including Marc Lagen, and their subsequent entitlement to wear War Service Chevrons.
Memorandum issued by Headquarters Third Balloon Squadron (Camp de Souge, France), June 22, 1918. Assigns guard detail for the following day, with Marc Lagen assigned officer of the day.
Memorandum issued by First Lieutenant Marc A. Lagen to Commanding Officer of Company B, Third Balloon Squadron, June 25, 1918. Reports poor condition of Balloon R-1579 and declares it unserviceable.