NEW COMMANDER Defense Secretary Chuck Hagel stands as Army Gen. Lloyd J. Austin III holds the the U.S. Central Command colors after Marine Corps Gen. James N. Mattis, left, passed the command to Austin during the change-of-command ceremony on MacDill Air Force Base in Tampa, Fla., March 22, 2013. Hagel spoke at the ceremony. SHARE IMAGE: Download Image: Full Size (0.08 MB) Photo By: VIRIN: 762736-R-HSC92-569.jpg Photo Gallery