sentences:  He also attended the French engineer school at Chalons-sur-Marne.On March 20, 1918, Wilby was transferred to the Chaumont-Porcien on Headquarters of the American Expeditionary Force, where he was appointed as a Chief of Engineer Intelligence Division in the Office of Chief of Engineers.On September 26, 1918, Wilby was transferred to the 1st Infantry Division under command of Major General Robert Lee Bullard, where he was appointed as a Commander of 1st Engineers.