As many Afghan civilians seek to escape Taliban rule in their country, parallels have been drawn between the hardline group’s takeover of Kabul and the fall of Saigon in 1975, which marked the end of the Vietnam war. Former Vietnamese refugees who fled to America following the fall of the southern Vietnamese city now known as Ho Chi Minh City, say they can relate to the fears of the Afghans and see this as an opportunity to pay it forward.