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 duration of the Gettysburg Campaign. The Army of Northern Virginia now comprised a total of 75,054 soldiers at the Battle of Gettysburg. The army fielded more than 241 cannons following the Battle of Gettysburg. The artillery battalions were merged into the Artillery Reserve again following the end of the campaign. On September 9, General Lee had to dispatch the First Corps to Braxton Bragg's Army of Tennessee. Following this the army was resubordinated again. Changes were not significant; only the cavalry saw important reorganization. The Army's strength was then 55,221 soldiers. The changes in command until December 31, 1863 were