Rear Adm. William R. Merz, commander of Naval Mine and Anti-Submarine Warfare Command, receives a brief from the Battle Cats of Helicopter Maritime Strike Squadron (HSM) 73 as he tours the aircraft carrier USS Carl Vinson (CVN 70). Carl Vinson is underway conducting composite training unit exercise off the coast of Southern California. (U.S. Navy photo by Mass Communication Specialist 2nd Class George M. Bell/Released)