WASHINGTON, D.C., Sept. 18, 2021 (UNI/Xinhua) -- Kenneth McKenzie, commander of the U.S. Central Command, attends a Pentagon press briefing via video link in Washington, D.C. Sept. 17, 2021. The U.S. military admitted on Friday that a U.S. drone strike in late August in Kabul of Afghanistan killed as many as 10 civilians, including 7 children.