He escorted Allied missions in St. Mihiel Offensive .
On June 14 , 1918 , he was assigned to the Operations Division , General Staff , AEF as Liaison Officer for G.H.Q Allied Headquarters and with American Armies , Corps , and Divisions during the combat operations of 1918 .
He escorted G.H.Q Allied missions in St. Mihiel Offensive .
On June 14 , 1918 , he was assigned to the Operations Division , General Staff , AEF as Liaison Officer for G.H.Q Allied Headquarters and with American Armies , Corps , and Divisions during the combat operations of 1918 .