On 22nd October 1918 the 9th Infantry as part of the 2d Division was relieved from its tour of duty with the Fourth French Army in the Champange Sector with orders to join by marching the First American Army.
It left its billets at Courtisols and marched to Valmy, proceeding next day to Camp Cabaud near Islettes.
On 25th October the regiment marched via Chemin Romain Tranchee through the Argonne Forest to the woods just south of Exermont where the four Infantry Regiments of the Division were assembled.
Regimental Headquarters was at Chaudron-Ferme. From this position the regiment left for the operations of the Meuse Argonne Battle. (more)
CPT Eugene V. Behan