America's longest war is over. With just one minute to spare before President Joe Biden's midnight deadline for exiting the country, US Air Force planes carried the last contingent of troops from Kabul airport on Monday night. It was a frantic, harrowing and extremely dangerous final two weeks for those soldiers as they oversaw the airlift of tens of thousands of Afghans, Americans and others seeking to escape Afghanistan – a country that is once again ruled by the Taliban.