160713-M-TM809-588 SOUTH CHINA SEA (July 13, 2016) USNS Wally Schirra (T-AKE 8) connects a fuel line to hospital ship USNS Mercy (T-AH 19) during a replenishment-at-sea. Mercy, which is deployed in support of Pacific Partnership 2016, is en route to its third mission stop in Da Nang, Vietnam. Upon arrival, partner nations will work side-by-side with local military and non-government organizations to conduct cooperative health engagements, community relation events and subject matter expert exchanges to better prepare for a natural disaster or crisis. (U.S. Marine Corps photo by Sgt. Brittney Vella/Released)