 Complete the following phrase:  The younger King entered the army as a private in Company F, 7th New York Militia, serving a three-month enlistment from April to June 1861. He acquired a direct commission as a first lieutet in the regular U.S. Army, and was assigned to the 4th U.S. Artillery, on August 5, 1861. He served in the Army of the Potomac throughout the war, eventually commanding from 1864 4th U.S. Light Artillery, Battery A, in the famed U.S. Horse Artillery Brigade. Lieutet King was awarded one brevet promotion to captain for his bravery during the Seven Days Battles, in actions at the 