IN PICS | America's longest war ends with withdrawal of US troops from Afghanistan

In this image made through a night vision scope and provided by U.S. Central Command, Maj. Gen. Chris Donahue, commander of the U.S. Army 82nd Airborne Division, XVIII Airborne Corps, boards a C-17 cargo plane at the Hamid Karzai International Airport in Kabul, Afghanistan

A U.S military aircraft takes off from the Hamid Karzai International Airport in Kabul, Afghanistan, Monday, Aug. 30, 2021. 

CH-47 Chinook from the 82nd Combat Aviation Brigade, 82nd Airborne Division is loaded onto a U.S. Air Force C-17 Globemaster III at Hamid Karzai International Airport in Kabul, Afghanistan.

President Joe Biden holds a presidential challenge coin as he speaks with Air Force Mortuary Affairs Operations Air Force Col. Chip Hollinger and others after participating in a casualty return

A paratrooper assigned to B Company, 2nd Battalion, 501st Parachute, Infantry Regiment, 1st Brigade Combat Team, 82nd Airborne Division conducts security at Hamid Karzai International Airport in Kabul.

Families evacuated from Kabul, Afghanistan, walk through the terminal before boarding a bus after they arrived at Washington Dulles International Airport

People wait for their departure at a hangar of the Ramstein U.S. Air Base

Militiamen loyal to Ahmad Massoud, son of the late Ahmad Shah Massoud, take part in a training exercise, in Panjshir province, northeastern Afghanistan

Families evacuated from Kabul, Afghanistan, walk through the terminal before boarding a bus after they arrived at Washington Dulles International Airport

Taliban fighters buy Taliban flags in Kabul, Afghanistan

Gen. Frank McKenzie, Commander of the U.S. Central Command, speaks from MacDill Air Force Base, in Tampa, Fla.

A carry team loads a transfer case with the remain of Navy Corpsman Maxton W. Soviak, 22, of Berlin Heights, Ohio, into a transfer vehicle during a casualty return at Dover Air Force Base.