170915-N-LY160-0498 PEARL HARBOR (Sept. 15, 2017) Newly appointed chief petty officers (CPO) shake the hands of guests of the CPO pinning ceremony at the USS Bowfin Submarine Museum and Park. Twenty-five CPOs from various Hawaii submarine commands were pinned at this year's ceremony. (U.S. Navy photo by Mass Communication Specialist 2nd Class Michael Lee/Released)