Rear Adm. Richard W. Butler, commander, Carrier Strike Group 4, salutes the side boys after arriving aboard Wasp-class amphibious assault ship USS Iwo Jima (LHD 7). Iwo Jima is underway conducting a composite training Unit exercise with the 24th Marine Expeditionary Unit in preparation for an upcoming deployment. (U.S. Navy photo by Mass Communication Specialist Shelby M. Tucker/ Released)