160527-M-TM809-001 PACIFIC OCEAN (May 27, 2016) MH-60S crew members assigned to the Blackjacks of Helicopter Sea Combat Squadron (HSC) 21 escort a Republic of Korea sailor aboard hospital ship USNS Mercy (T-AH 19). The Sailor was recovered from Republic of Korea submarine SSK Lee Eok Gi, (SS 071) after Mercy received word he was in need of medical attention. Mercy is deployed in support of Pacific Partnership 2016. (U.S. Marine Corps photo by Cpl. Brittney Vella/Released)