U.S. General John Campbell (C), commander of NATO-led International Security Assistance Force (ISAF), folds the flag of the ISAF during the change of mission ceremony in Kabul, December 28, 2014. The American-led coalition in Afghanistan officially ended its combat mission on Sunday after a more than 13 year war that ousted the Taliban government in 2001. REUTERS/Omar Sobhani (AFGHANISTAN – Tags: MILITARY)