Section #1 - Three Days At Gettysburg
Chapter 10: The Order of Battle – Union Forces
General Buford signals the need for reinforcements, and over the next two days a total of seven Army Corps will join the fray.
Effective June 28, 1862, the Union army is commanded by 48 year old, Major General George Meade, who learns of his promotion that day after Lincoln accepts Joseph Hooker’s resignation. Meade is a native of Pennsylvania and charged with protecting his home state from Lee’s forces.

Meade will lead some 94,000 troops across 7 Corps:
| Corps | Commander | Troops | Division 1 | Division 2 | Division 3 |
|---|---|---|---|---|---|
| I | MG John Reynolds K MG Abner Doubleday | 12,200 | James Wadsworth | John Robinson | Abner Doubleday Thomas Rowley |
| II | MG Winfield Hancock W BG John Gibbon W BG William Hayes | 11,300 | John Caldwell | John Gibbon W William Harrow | Alexander Hays |
| III | MG Daniel Sickles W MG David Birney W | 10,700 | David Birney W Hobart Ward W | A. A. Humphreys | None |
| V | MG George Sykes | 10,900 | James Barnes W | Romeyn Ayres | Samuel Crawford |
| VI | MG John Sedgwick | 13,600 | Horatio Wright | Albion Howe | John Newton Frank Wheaton |
| XI | MG Oliver Howard BG Carl Schurz | 9,200 | Francis Barlow W | A. Von Steinwehr | Carl Schurz Schimmelfennig |
| XII | MG Henry Slocum | 9,800 | Alpheus Williams Thomas Ruger | John Geary | None |
| Cav | MG Alfred Pleasonton | 9,500 | John Buford | David Gregg | Judson Kilpatrick |
| Art | Col. Henry Hunt 360 can | 2,400 |