General Robert E. Lee commanded the Army of Northern Virginia at Gettysburg.
Robert E. Lee
The Union armies of the James and the Potomac under the overall command of Grant end the Confederate Army of the Northern Virginia, under the overll command of Lee.
Fort Donelson was a Confederate (southern) fort, and was captured by the northern army in February, 1862. U. S. Grant was in command of the Yankee (northern) forces.
The Confederate general who was offered command of the Union Army but declined to fight against Virginia was Robert E. Lee. After Virginia seceded from the Union, Lee chose to remain loyal to his home state, ultimately leading the Confederate Army of Northern Virginia. His decision was rooted in his deep sense of duty and loyalty to Virginia, despite his previous service in the U.S. Army.
No, he commanded the Confederate Army of Northern Virginia. But, at the begining of the war, he was offered command of the US Army forces, but declined.
The first name of what would become the Army of Northern Virginia was the Confederate Army of the Potomac. That was in 1861. As early 1862 came about the name was changed to the Army of Northern Virginia.
Confederate generals always had troops and slaves under their command.
The Battle of Fredericksburg was a lop-side Confederate victory by the Army of Northern Virginia under command of general Robert E. Lee.
United States Northern Command was created in 2002.
Confederate General Longstreet
US Northern command