Gen. Lloyd Austin addresses military recruits during an induction ceremony in Tampa, Fla., in 2015.

U.S. Central Command Commander Gen. Lloyd Austin III addresses military recruits during an induction ceremony during halftime of an NFL football game between the Tampa Bay Buccaneers and the New York Giants in Tampa, Fla., Sunday, Nov. 8, 2015. (AP Photo/Phelan M. Ebenhack)