Signal Troops—303d Battalion.
Division Units—78th Division Headquarters Troop; 307th Machine Gun Battalion.
80TH DIVISION—Major Gen. Adelbert Cronkhite, commanding; Lieut. Col. William H. Waldron, Chief of Staff; Major Steven C. Clark, Adjutant General.
159th Brigade, Infantry—Brig. Gen. George H. Jamerson, 317th and 318th Regiments; 314th Machine Gun Battalion.
160th Brigade, Infantry—Brig. Gen. Lloyd M. Bratt; 319th and 320th Regiments; 315th Machine Gun Battalion.
155th Brigade, Field Artillery—Brig. Gen. Gordon G. Heiner; 313th, 314th and 315th Regiments; 305th Trench Mortar Battery.
Engineer Troops—305th Regiment.
Signal Troops—305th Battalion.
Division Units—80th Division Headquarters Troop; 313th Machine Gun Battalion.