United States Civil War Military Organization

The Union Army Forces and Confederate Army Forces were arranged in similar ways.

Union Army
Union Army Forces had at least 16 Armies. Each army was basically divided in the following ways: 1 Army = 2 to 4 Corps 1 Corps = 3 Divisions 1 Division = 3 Brigades 1 Brigade = 4 to 5 Regiments 1 Regiment/Battalion = 10 Companies (1,100 men &amp; officers) 1 Company = 2 to 3 Platoons* (100 men &amp; officers) *depending on military manual 1 Platoon = 5 Squads (50 men &amp; 1 officer)

The 16 Union armies were:


 * 1) Army of the Cumberland
 * 2) The Frontier
 * 3) Georgia
 * 4) The Gulf
 * 5) The James
 * 6) Kansas
 * 7) The Mississippi (there were several)
 * 8) The Mountain Department
 * 9) The Ohio
 * 10) The Potomac
 * 11) The Shenandoah
 * 12) The Southwest
 * 13) The Tennessee
 * 14) Virginia
 * 15) West Tennessee
 * 16) The Army of West Virginia

Confederate Army
Confederate Army Forces had at least 23 Armies. Each army was basically divided in the following ways: 1 Army = 2 to 4 Corps 1 Corps = 3 Divisions 1 Division = 4 to 5 Brigades 1 Brigade = 4 to 6 Regiments 1 Regiment/Battalion = 10 Companies (1,100 men &amp; officers) 1 Company = 2 to 3 Platoons* (100 men &amp; officers) *depending on military manual 1 Platoon = 5 Squads (50 men &amp; 1 officer)

The 23 Confederate armies were: