160916-M-TM809-030 PACIFIC OCEAN (Sept. 16, 2016) Chief petty officers parade the colors during the chief pinning ceremony on the flight deck of hospital ship USNS Mercy (T-AH 19). Four hospital corpsman attached to Mercy were promoted to the rank of chief petty officer. Deployed in support of Pacific Partnership 2016, Mercy is sailing to her homeport of San Diego. (U.S. Marine Corps photo by Sgt. Brittney Vella/Released)