 Complete the following phrase:  During World War I, Conger served as assistant chief of staff for Intelligence G-2 on the staff of the 2nd Division, and then as a member of the Intelligence directorate G-2 on the staff of the American Expeditionary Forces headquarters. While on the AEF staff, Conger was the lead planner for a summer 1918 deception which became known as the Belfort Ruse. This effort to deceive German commanders into allocating forces away from Saint-Mihiel was intended to produce an Allied advantage during an upcoming offensive. At the ensuing 