Federal Brigade

3rd Brigade,1st Division, 4th Corps

Commanding Officer on the Antietam Campaign:
  John Cochrane

This Brigade's Chain of Command:
  Army - Army of the Potomac
  Division - 1st Division, 4th Corps

Units which make up this Brigade:
  122nd New York Infantry
  65th New York Infantry
  67th New York Infantry
  23rd Pennsylvania Infantry
  61st Pennsylvania Infantry
  82nd Pennsylvania Infantry