2d Brigade, Infantry—Major Gen. Beaumont B. Buck; 26th and 28th Regiments; 3d Machine Gun Battalion.
1st Brigade, Field Artillery—(Commanding officer not announced); 5th, 6th, and 7th Regiments; 1st Trench Mortar Battery.
Engineer Troops—1st Regiment.
Signal Troops—2nd Battalion.
Division Units—1st Machine Gun Battalion.
2ND DIVISION (U. S. M. C.)—Brig. Gen. John E. Le Jeune, commanding; Brig. Gen. Preston Brown, Chief of Staff.
3rd Brigade, Infantry—Brig. Gen. Hanson E. Ely; 9th and 23rd Regiments; 5th Machine Gun Battalion.
4th Brigade, Infantry (Marines)—Brig. Gen. John E. Le Jeune; 5th and 6th Regiments; 6th Machine Gun Battalion.
2d Brigade, Field Artillery—Brig Gen. A. J. Bowley; 12th, 15th, and 17th Regiments; 2d Trench Mortar Battery.
Engineer Troops—2d Regiment.