Lt. Col. Joseph Halloran, commander of 2nd Battalion,

Lt. Col. Joseph Halloran, commander of 2nd Battalion, 320th Field Artillery Regiment “Balls of the Eagle,” 101st Division Artillery, 101st Airborne Division (Air Assault), and Command Sgt. Maj. Christopher Walder, command sergeant major of the battalion, case the colors during a re-designation ceremony at Freedom Fighter Gym July 1, 2015. The battalion was activated with the 101st in December 1962. Following the casing of the colors for “Balls of the Eagle,” the colors for “Proud Americans” 2nd Battalion, 32nd Field Artillery Regiment, 101st Division Artillery, 101st Airborne Division, unfurled. (U.S. Army photo by Sgt. Samantha Parks, 1st Brigade Combat Team Public Affairs)