He transferred to the 1st Cavalry on September 9, 1864, and was eventually promoted to 1st Lieutenant (for "gallant and meritorious services" at the battle of Trevilian Station during the American Civil War), and later to captain, and then major.
Trasladouse ao 1º rexemento de Cabalaría o 9 de setembro de 1864 e, finalmente, foi ascendido a tenente (por "servizos meritorios" na batalla da estación de Trevilian durante a Guerra civil estadounidense), e despois a capitán, e logo a comandante (maior).