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 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