C. Tn. Combat train. F. Tn. Field train. B. Sec. F. Tn. Baggage section field train. R. Sec. F. Tn. Ration section field train. Am. Tn. Ammunition train. Sp. Tn. Supply train. Sn. Tn. Sanitary train. 1st Amb. Co. First Ambulance Company. 2d F. Hosp. Co. Second Field Hospital Company. 1st Med. Res. Co. First Medical Reserve Company. Engr. Tn. Engineer train. Columns (1 of c): Am. Col. Ammunition column. Sp. Col. Supply column. Sn. Col. Sanitary column. Engr. Col. Engineer column. _Fractional Organization._ Infantry: 3d Div. (less cav. and 1 bn. F. A.) 2d Brig. (less 1 regt.) 1st Inf. (less 6 cos. and M. G. Co.) 1 bn. 6th Inf. 1st Bn. 6th Inf. (less 1 co.) Co. A 1st Inf. (less 1 plat.) Cavalry: 1st Cav. Div. (less 1 brig.) 2d Brig. (less 1 regt.) 3d Cav. (less 1 sq. and M. G. detch.) 1 Sq. 4th Cav. 1st Sq. 4th Cav. (less 1 tr.) Tr. C 4th Cav. (less 2 plats.) Artillery: 4th Brig. F. A. (less 1 bn.) 3d L. (less 1 bn.) 1 bn. 1st L. A. (less 1 btry.) 1st L. A. (less 2 btries.) Btry A 6th H. A. 5th Hv. A. (less 1 bn. 6″ How.) 1 Bn. 4.7″ How., 5th Hv. A. 1 Btry. 4.7″ gun, 5th Hv. A. Engineers: 1st Bn. Engrs. (less 1 co.) Co. A Engrs. (less 1 sec.) 2 Secs. Engrs. 1st Pon. Bn. (less 1 co. heavy equip.) 1 pon. co. light equip. (less 2 bridge div.) Signal: 1st Bn. Sig. (less 1 wire plat.) 1 rad. Co. Sig. 1 wire Co. Sig. 1 rad. sec. pack, Sig. 1 rad. plat. wagon, Sig. 1 wire Sec. Sig. 1 wire plat. Sig. Miscellaneous: