Anderson Troop, a regiment of cavalry, sometimes identified at the 15th Pennsylvania Cavalry was discharged from Union service on March 24th 1863.
Organized in Carlisle, Pennsylvania as an independent cavalry company, the Anderson Troop was mustered into union service November 30th 1861. The men were recruited for three years’ service under the special authority of the United States Secretary of War. It was placed under the command of Captain William Jackson Palmer, and was designated for headquarter and escort duty with Union General Robert Anderson in Kentucky.
The men moved to Louisville, Kentucky in December 1861. They would be at the Battle of Shiloh in April 1862. The Troop took part General Don Carlos Buell’s Campaign in Alabama and Tennessee from June through August 1862 in connection with the 4th United States Cavalry. They spent their time scouting the flanks of the Confederate troop and skirmishing with Confederate Cavalry. The men would also be involved in Battles of Perryville, Wilkinson’s Cross Roads and Stones River. During the Battle of Perryville three member of the Troop were captured carrying dispatches between Generals Alexander M McCook and Buell, but managed to destroy the messages before they fell into enemy hands.
The Troop was discharged from Union duty March 24th 1863. Union General William S Rosecrans who ordered their discharge said of the Troop, "I part with you with as much regret as you yourselves may feel. You are young, and your behavior since I have been in command, gives promise of a career of usefulness and honor, whether in the service of your country, or in private life; may you realize your hopes, and the wishes of your friends." During their service they had one 1 office killed; Lieutenant Evan W Grubb, and 5 men who died from disease.