Confederate Army of the Shenandoah Harpers Ferry, Virginia (modern day West Virginia). To organize and train the companies, Virginia state commander Robert E. Lee initially appointed Thomas J. Jackson to command the post. Jackson formed five regiments of infantry and a battery of artillery from the various companies, forming the basis of the Stonewall Brigade. On May 15, Joseph E. Johnston replaced Jackson as commander of Harpers Ferry and continued to receive additional regiments from throughout the Confederacy. He would eventually have four brigades of infantry and an independent regiment of cavalry, the 1st Virginia Cavalry commanded by J. E. B. Stuart. In mid-June, forces
Army of Northern Virginia of the war. After taking over command in mid-1862, Lee began preparing to lead the Army of Northern Virginia for the first time. However, his aggressiveness to attack the Union led to the loss of many troops especially at the Battle of Antietam, which ended up being a turning point in the war for the Union. After the costly victories during the Seven Days Battles and at Second Manassas in August 1862, Lee had now lost a total of 30,000 of his approximately 92,000 troops within three months of becoming the Confederate's top general. Lee then planned to take his