When Union General John Fulton Reynolds was killed on July 1, 1863 at the Battle of Gettysburg, he was replaced by General Abner Doubleday. Doubleday had been the commander of the 3rd division.
Union General John Buford graduated from West Point in 1848. He was among the 38 cadets graduating that year and ranked 16th in his class. Buford was the commander of the 1st Division of the Cavalry Corps under General Alfred Pleasonton.
The Order of Battle for the Army of Northern Virginia can be summarized as follows. As a summary only major officers and division commanders are listed.Commanding Officer General Robert E. LeeMajor General Longstreet CorpsMclaws Division: Major General Lafyette McClawsAnderson's Division: Major General Richard H. AndersonJone's Division: Brigadier General David R. JonesWalker's Division: Brigadier General John D. WalkerHood's Division: Brigadier General John B. HoodJackson's Corps: Major General Thomas J. JacksonEwell's Division: Brigadier General Alexander LawtonHill's Light Division: Brigadier General Ambrose P. HillJackson's Division: Brigadier General John R. JonesHill's Division: Major General Daniel H. HillCavalry Division: Major General J. E. B. StuartHampton's Brigade: Brigadier General Wade HamptonLee's Brigade: Brigadier General Fitzhugh LeeRobertson's Division: Colonel Thomas Munford
Hood was a major general (two stars) at Gettysburg. The usual position of a two star general is commanding a division. A division has in it several brigades, each commanded by a brigadier general (one star). Hood was commanding a division in the 1st Corp of Lee's Army. The first corps was commanded by Lieutenant General (three stars) Longstreet.
General John J. "Blackjack" Pershing
General John Burgoyne
General john j. Pershing
General John J. "Blackjack" Pershing was the commander of U.S. in Europe in World War 1.
General John Pope.
General John J. "Blackjack" Pershing
John Adams recommended George Washington to be commander of the Continental Army.
General John J. Pershing was commander of the American Expeditionary Force during World War One, and was in overall command of the entire U.S. (National) Army.