160713-M-TM809-349 SOUTH CHINA SEA (July 13, 2016) SOUTH CHINA SEA (July 13, 2016) Flight deck personnel conduct a vertical replenishment aboard hospital ship USNS Mercy (T-AH 19) with an MH-60S sea hawk helicopter assigned to the “Island Knights” of Helicopter Sea Combat (HSC) Squadron 25. 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)