<P> As in the U.S. Army, the Confederate army's soldiers were organized by military specialty . The combat arms included infantry, cavalry and artillery . </P> <P> Although fewer soldiers might comprise a squad or platoon, the smallest infantry maneuver unit in the Army was a company of 100 soldiers . Ten companies were organized into an infantry regiment, which theoretically had 1,000 men . In reality, as disease, desertions and casualties took their toll, and the common practice of sending replacements to form new regiments took hold, most regiments were greatly reduced in strength . By the mid-war, most regiments averaged 300--400 men, with Confederate units slightly smaller on average than their U.S. counterparts . For example, at the pivotal Battle of Chancellorsville, the average U.S. Army infantry regiment's strength was 433 men, versus 409 for Confederate infantry regiments . </P> <P> Rough unit sizes for CSA combat units during the war: </P> <Ul> <Li> Corps - 24,000 to 28,000 </Li> <Li> Division - 6,000 to 14,000 </Li> <Li> Brigade - 800 to 1,700 </Li> <Li> Regiment - 350 to 400 </Li> <Li> Company - 35 to 40 </Li> </Ul>

At this battle the union army blank the confederate army