The United States and NATO has formally ended their war in Afghanistan on Sunday with a ceremony at the military headquarters in Kabul as the insurgency they fought for 13 years remains as deadly and ferocious as at any time since the 2001 invasion that unseated the Taliban regime following the Sept. 11 attacks. 
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The symbolic ceremony marked the end of the U.S.-led International Security Assistance Force, which will transition to a supporting role with 13,500 soldiers, most of them American, starting Jan. 1.
Gen. John Campbell, commander of ISAF, rolled up and sheathed the green and white ISAF flag and unfurled the flag of the new international mission, called Resolute
“Resolute Support will serve as the bedrock of an enduring partnership” between NATO and Afghanistan, Campbell told an audience of Afghan and international military officers and officials, as well as diplomats and journalists. He paid tribute to the international and Afghan troops who have died fighting the insurgency, saying: “The road before us remains challenging but we will triumph.”
From Jan. 1, the new mission will provide training and support for Afghanistan’s military, with the U.S. accounting for almost 11,000 members of the residual force.
Associated Press writer Amir Shah in Kabul contributed to this story.
