The Armies at Gettysburg > The Army of the Potomac

Organization of the 2nd Corps of the Federal Army of the Potomac during the Civil War Battle of Gettysburg, July 1-3, 1863. The 2nd Corps had 45 infantry regiments and 5 artillery batteries at the Battle of Gettysburg, organized into three divisions of three or four brigades each plus an artillery brigade.

Major General Winfield S. Hancock (wounded July 3) (monument)
Brigadier General John Gibbon (wounded July 3) (monument)
Brigadier General William Hays (monument)strength: 11,350 men, 28 guns
casualties: 795 killed, 3,195 wounded, 380 missing, 4,370 total

Headquarters escort
6th New York Cavalry, Companies D & K
Captain Riley Johnson

1st Division (monument)
Brigadier General John C. Caldwell
strength: 3,320 men
casualties: 185 killed, 880 wounded, 210 missing, 1,275 total

2nd Division (monument)
Brigadier General John Gibbon (^ July 1, wounded July 3) (monument)
Brigadier General William Harrow
strength: 3,610 men
casualties: 335 killed, 1,200 wounded, 100 missing, 1,645 total

3rd Division (monument)
Brigadier General Alexander Hays (monument)
strength: 3,645 men
casualties: 240 killed, 985 wounded, 65 missing, 1,290 total

Artillery Brigade (monument)
Captain John G. Hazard
strength: 650 men and 28 guns
casualties: 27 killed, 119 wounded, 3 missing, 149 total

1st New York Artillery, Battery B (monument)
Captain James M. Rorty (killed July 3)
Lieutenant Albert S. Sheldon (wounded July 3)
Lieutenant Robert E. Rogers
4 10″ Parrott Rifles

Rhode Island Battery A (monument)
Captain William A. Arnold
6 3″ Ordnance Rifles

Rhode Island Battery B (monument)
Lieutenant T. Fred Brown (wounded July 2)
Lieutenant Walter S. Perrin
6 Napoleons

1st United States Artillery Battery I (monument)
1st Lieutenant George A. Woodruff (mortally wounded July 3)
2nd Lieutenant Tully McRae
6 Napoleons

4th United States Artillery Battery A (monument)
1st Lieutenant Alonzo Cushing (killed July 3) (Medal of Honor)
Sergeant Frederick Fuger (Medal of Honor)
6 3″ Ordnance Rifles