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 (5 men &amp; 1 officer)

The 16 Union armies were:


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

The 23 Confederate armies were:


 * 1) Army of Central Kentucky
 * 2) East Tennessee
 * 3) Eastern Kentucky
 * 4) The Kanawha
 * 5) Kentucky
 * 6) Louisiana
 * 7) Middle Tennessee
 * 8) The Mississippi
 * 9) Missouri
 * 10) Mobile
 * 11) New Mexico
 * 12) Northern Virginia
 * 13) The Northwest
 * 14) The Peninsula
 * 15) Pensacola
 * 16) The Potomac
 * 17) The Shenandoah
 * 18) The Southwestern Army
 * 19) Army of Tennessee
 * 20) the Trans-Mississippi Dept.
 * 21) Vicksburg
 * 22) The West
 * 23) West Tennessee