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 The Department comprised three districts: Aquia District, Potomac District, and the Valley District. In April 1862, the Department was expanded to include the Departments of Norfolk and the Peninsula (of Virginia). Gen. Johnston was eventually forced into maneuvering the Army southward to the defenses of Richmond during the opening of the Peninsula Campaign, where it conducted delay and defend tactics until Johnston was severely wounded at the Battle of Seven Pines. During the months after the First Battle of Bull Run, Johnston organized his Shenandoah Army and Beauregard's Potomac Army into two divisions under a unified command with Gustavus Smith