Artillery
| Battery | 4 guns. |
| Regiment | 6 Batteries. |
| | 1 Ammunition Column. |
| Brigade | 2 Regiments. |
UNITED STATES
The organization of the army of the United States is on different lines from that of other armies.
No higher formation than the Regiment exists in peace, but it is understood that the following is the organization contemplated in war.
Infantry
| Company | 3 Officers, 128 men (in 2 Platoons). |
| Battalion | 4 Companies, under a Major. |
| Regiment | 3 Battalions, or 1,600 men, under a Colonel. |
| Brigade | 3 Regiments, or 4,800 men. |
| Division | 3 Brigades. |
| Army Corps | 3 Divisions. |
Cavalry
| Troop | 3 Officers, 100 men (in 4 Platoons). |
| Squadron | 4 Troops, 400 men, under a Major. |
| Regiment | 3 Squadrons, or 1,200 men, under a Colonel. |