 Two other companies of the 5th captured a field piece at the Battle of Glorieta Pass on 28 March, the beginning of the end for the Confederate forces.The 5th also fought in the action at Peralta on 15 April where the enemy lost a large part of their supply train.The Confederates ultimately withdrew to San Antonio, and the 5th spent the rest of the war on frontier duty, watching for another Confederate incursion, which never came.