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
First Corps, Army of Northern Virginia months, Longstreet would serve as head of the Department of Southern Virginia and North Carolina. Starting on April 11, Longstreet used his two divisions to lay siege to Suffolk, in order to better collect supplies in the area near the city. After three weeks he was ordered to abandon the siege and return to Lee's main army but the Battle of Chancellorsville ended before Longstreet arrived. Note: see Gettysburg order of battle for the command structure of the Army of Northern Virginia at this time. Following the death of Jackson in May, the Army of Northern Virginia was reorganized into