Travel form issued by the U.S. Army Transport Service, November 27, 1917. Certifies transportation for Marc Lagen from New York to France on December 3, 1917.
Memorandum issued by the Office of Chief Signal Officer, U.S. War Department, to Marc Lagen, December 18, 1917. Notes Lagen's commission as First Lieutenant in the Aviation Section and instructs him to notify the Officer of the Chief Signal Officer…