Joseph E. Johnston Joseph E. Johnston Joseph Eggleston Johnston (February 3, 1807 – March 21, 1891) was a career United States Army officer, serving with distinction in the Mexican–American War (1846–1848), and Seminole Wars. After Virginia seceded, he entered the Confederate States Army as one of the most senior general officers. (He was unrelated to Confederate general Albert Sidney Johnston, who was killed in early 1862.) Johnston was trained as a civil engineer at the United States Military Academy at West Point, New York, graduating in the same class as Robert E. Lee. He served in Florida, Texas, and Kansas. By 1860 he
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