160909-N-UB993-150 NORFOLK, Va (Sept. 9, 2016) Chief petty officers from the amphibious assault ship USS Bataan (LHD 5) work together to keep weighted balls from falling while doing lunges during the annual Norfolk Naval Base CPO 365 All Hands Challenge. More than 25 shore and sea commands competed in the days events. (U.S. Navy photo by Chief Mass Communication Specialist Anastasia McCarroll/Released)