Change of Command Secretary of Defense Lloyd J. Austin III, left, passes the U.S. Southern Command guidon to the incoming Southcom commander, Army Gen. Laura J. Richardson, during the SOUTHCOM change of command, Doral, Fla., Oct. 29, 2021. SHARE: Download: Full Size (2.41 MB) Tags: austin, defense secretary, southern command Credit: Lisa Ferdinando, DOD VIRIN: 211029-D-BN624-0843.JPG Photo Gallery