Battery G, 1st Missouri Light Artillery Regiment was an artillery battery from Missouri that served in the Union Army during the American Civil War. The battery was often referred to as Hescock's Battery. The battery formed part of the defense of Philip Sheridan's division at the Battle of Stones River. Other battles in which it served were Island No. 10, Corinth (Siege), Perryville, Tullahoma Campaign, Chickamauga, Lookout Mountain, and Missionary Ridge. It spent the remainder of the war in garrison at Chattanooga and was mustered out in July 1865.