Hatch, John P.
- Taken away from service on the frontier, in 1861, Hatch was commissioned on as a brigadier general. In spring and summer of 1862, he commanded the Union cavalry in the Shenandoah Valley campaign against "Stonewall" Jackson. After he was removed from this position, he served in command of an infantry brigade until he was wounded at South Mountain. After his recovery, he served in various positions as an administrator, but he did not serve again on the field.
- Major General