U.S. Army Gen. John. F. Campbell, left, commander of the Resolute Support Mission and U.S. Forces in Afghanistan, and U.S. Army Command Sgt. Maj. Delbert Byers render honors observing the anniversary of the 9/11 attacks during a wreath-laying ceremony in Kabul, Afghanistan, Sept. 11, 2015. U.S. Air Force photo by Tech. Sgt. Robert Sizelove