An additional 1,000 troops will be heading to Kabul to assist in evacuation efforts. This will boost the overall expected numbers to some 6,000 U.S. troops in Afghanistan.
NPR speaks with John Sopko, Special Inspector General for Afghan Reconstruction, about how the U.S. military and Afghan government arrived at this point.
In a sudden, final offensive, the Taliban pushed into Kabul, as Afghanistan's U.S.-backed president left the country and U.S. diplomatic personnel beat a quick retreat from the embassy compound.
Washington, D.C., was one of several U.S. cities where members of the Afghan diaspora and their supporters gathered Sunday, while the Taliban closed in on Kabul.