U.S. Army Gen. John F. Campbell, right, incoming commander of U.S. and NATO forces in Afghanistan, passes the command flag to U.S. Marine Corps Sgt. Maj. James E. Booker, during the change-of-command ceremony for NATO's International Security Assistance Force in Kabul, Afghanistan, Aug. 26, 2014. Campbell, former Army vice chief of staff, assumed command from Dunford. U.S. Army Gen. John F. Campbell, right, incoming commander of U.S. and NATO forces in Afghanistan, passes the command flag to U.S. Marine Corps Sgt. Maj. James E. Booker, during the change-of-command ceremony for NATO's International Security Assistance Force in Kabul, Afghanistan, Aug. 26, 2014. Campbell, former Army vice chief of staff, assumed command from Dunford. SHARE: Download: Full Size (1.74 MB) Tags: Photo Essays Credit: VIRIN: 820875-N-LQO34-907.jpg Photo Gallery