Spc. Sor Lo (left), a loader, and Spc. Oscar Sanchez (right), a cannoneer, of C Battery, 3rd Battalion, 16th Field Artillery Regiment, 2nd Brigade, 1st Cavalry Division, fire a 105mm Howitzer as part of a 13-gun salute during First Army Division East's Change of Command and Change of Responsibility ceremony, June 26, here. The salute was in honor of Maj. Gen. Todd McCaffrey, the outgoing First Army Division East commanding general. (U.S. Army photo by Sgt. 1st Class Gary J. Cooper / 4th Cavalry Multi-functional Training Brigade)Sgt. Christopher Riles (left), a gun chief, commands Spc. Logan Edmonson (center), a loader, and Pfc. Colin Scalf (right), a cannoneer, all of C Battery 3rd Battalion, 16th Field Artillery Regiment, 2nd Brigade, 1st Cavalry Division, as they fire a 105mm Howitzer as part of a 13-gun salute during First Army Division East's change of command and change of responsibility ceremony, June 26, at Fort Knox. The salute was in honor of Maj. Gen. Todd McCaffrey, the outgoing First Army Division East commanding general. (U.S. Army photo by Sgt. 1st Class Gary J. Cooper / 4th Cavalry Multi-functional Training Brigade)