Army Gen. Richard D. Clarke, commander of U.S. Special Operations Command at MacDill Air Force Base, Fla., listens to a brief from Air Force Master Sgt. Tim Niessen (right), Special Mission Aviation Course instructor, during a tour of the Career Enlisted Aviator Center of Excellence, Oct. 16, 2020, at Joint Base San Antonio-Lackland, Texas. The Career Enlisted Aviator Center of Excellence at JB San Antonio-Lackland, hosts the courses of initial entry for every career enlisted aviator entering aviation service. (U.S. Air Force photo by Johnny Saldivar)