160527-N-BB534-001 PACIFIC OCEAN (May 27, 2016) An MH-60S assigned to the Blackjacks of Helicopter Sea Combat Squadron (HSC) 21 performs a medical evacuation of a sailor from Republic of Korea Submarine SSK Lee Eok Gi (SS 071) to hospital ship USNS Mercy (T-AH 19). Mercy is deployed in support of Pacific Partnership 2016. (U.S. Navy photo by Mass Communication Specialist Elizabeth Merriam/Released)