United States Civil War Military Organization

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

Union Army Forces had at least 16 Armies. 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)

Confederate Army Forces had at least 23 Armies:

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)