World War I
Division Headquarters
17th Infantry Brigade
45th Infantry Regiment
67th Infantry Regiment
26th Machine Gun Battalion
18th Infantry Brigade
46th Infantry Regiment
68th Infantry Regiment
27th Machine Gun Battalion
Ninth Field Artillery Brigade
25th Field Artillery (Light)
26th Field Artillery (Light)
27th Field Artillery (Heavy)
Ninth Trench Mortar Battery
25th Machine Gun Battalion
209th Engineers
209th Field Signal Battalion
Division Trains
HQ Train and Military Police Company
Ninth Sanitary Train
Ninth Motor Supply Train
Ninth Ammunition Train