In this Aug. 30, 2021, photo provided by the U.S. Air Force, a Air Force aircrew, assigned to the 816th Expeditionary Airlift Squadron, prepares to receive soldiers, assigned to the 82nd Airborne Division, to board a U.S. Air Force C-17 Globemaster III aircraft in support of the final noncombatant evacuation operation missions at Hamid Karzai International Airport in Kabul Afghanistan. (Senior Airman Taylor Crul/U.S. Air Force via AP)