Associated Press file
In this April 29, 1975, file photo the helicopter zone at the U.S. Embassy in Saigon, Vietnam, showing last minute evacuation of authorized personnel and civilians. With U.S. and NATO forces under a Sept. 11, 2021, deadline to leave Afghanistan, many are recalling that desperate, hasty exodus as they urge the Biden administration to evacuate thousands of Afghans who worked as interpreters or otherwise helped U.S. military operations there in the past two decades.