Federal Division

VCorps Artillery Reserve

Commanding Officer on the Antietam Campaign:
  LCol. William Hays

This Division's Chain of Command:
  Army - Army of the Potomac
  Corps - Fifth (V) Army Corps

Units which make up this Division:
  1st Battalion New York Light Artillery
  1st United States Artillery, Battery K
  4th United States Artillery, Battery G
  New York Light Artillery, 5th Battery