180421-N-FL910-0047 STRAIT OF MALACCA (April 21, 2018) Service members assigned to the Military Sealift Command hospital ship USNS Mercy (T-AH 19) participate in a remembrance ceremony commemorating the 75th anniversary of the sinking of the Tambor-class submarine USS Grenadier (SS 210). Mercy is deployed in support of Pacific Partnership 2018 (PP18). PP18’s mission is to work collectively with host and partner nations to enhance regional interoperability and disaster response capabilities, increase stability and security in the region, and foster new and enduring friendships across the Indo-Pacific Region. Pacific Partnership, now in its 13th iteration, is the largest annual multinational humanitarian assistance and disaster relief preparedness mission conducted in the Indo-Pacific. (U.S. Navy photo by Chief Mass Communication Specialist Jackey Smith/Released)