Austin Scott Miller (born May 15, 1961) is a four-star general in the United States Army and former Delta Force captain who served as the final commander of NATO's Resolute Support Mission and United States Forces - Afghanistan from September 2, 2018 to July 12, 2021. He previously served as the commander of Joint Special Operations Command from March 30, 2016 to August 2018. He participated in numerous combat operations, such as the Battle of Mogadishu in 1993, and, since 2001, the wars in Iraq and Afghanistan. He is expected to retire from the Army shortly after relinquishing command.