Analysis: How Afghan war showed limits of US military power

              Secretary of Defense Lloyd Austin, left, greets U.S. Army Gen. Scott Miller, the former top U.S. commander in Afghanistan, upon his return Wednesday, July 14, 2021, at Andrews Air Force Base, Md. (AP Photo/Alex Brandon, Pool)
            FILE - In this Dec. 23, 2009, file photo United States Marines from the 2nd Battalion 2nd Marines "Warlords" and Afghan National Army soldiers walk in formation during an operation in the Garmsir district of the volatile Helmand province, southern Afghanistan. (AP Photo/Kevin Frayer, File)