US troops leave Bagram after two decades of war

Afghan soldiers stand guard at a checkpoint outside the US Bagram air base, on the day the last of American troops vacated it, Parwan province, Afghanistan. (Reuters photo)

An Afghan National Army (ANA) soldier looks out while standing on a Humvee vehicle at Bagram Air Base, after all US and NATO troops left, some 70 Km north of Kabul. (AFP photo)

An Afghan National Army soldier stands guard at a check post near Bagram US air base, on the day the last of American troops vacated it, Parwan province, Afghanistan. (Reuters Photo)

Afghan soldiers stand guard at the gate of Bahram US airbase, as the US and NATO leave the airbase. (AFP Photo)

A general view shows Bagram airbase, after all, US and NATO troops left, some 70 Km north of Kabu. (AFP Photo)

An Afghan National Army (ANA) soldier sits at a road checkpoint near the US military base in Bagram, some 50 km north of Kabul. (AFP Photo)

A US Air Force F-16 Fighting Falcon aircraft takes off for a nighttime mission at Bagram Airfield, Afghanistan. (Reuters file photo)

American soldiers approach the United Nations planes on the tarmac of the Bagram airbase in Bagram. (AFP file photo)

All US and NATO troops have left Bagram Air Base, a US defence official told AFP. (AFP file photo)

Soldiers from the 10th Mountain Division prepare ground to bury a piece of rubble from the World Trade Center at Bagram Air Field north of Kabu. (Reuters file photo)

Afghan soldiers stand guard at the gate of Bagram US airbase, on the day the last of American troops vacated it. (Reuters Photo)

Firefighter Joseph Higgins of the New York City Fire Department poses with soldiers from the 10th Mountain Division at Bagram air field north of Kabul. (Reuters file photo)