150706-N-BK290-719 RABAUL, Papua New Guinea (July 6, 2015) The Military Sealift Command hospital ship USNS Mercy (T-AH 19) sits at anchorage in Simpson Harbor off the coast of Rabaul, Papua New Guinea. Mercy is in Papua New Guinea for its second mission port of Pacific Partnership 2015. Pacific Partnership is in its tenth iteration and is the largest annual multilateral humanitarian assistance and disaster relief preparedness mission conducted in the Indo-Asia-Pacific region. (U.S. Navy photo by Chief Mass Communication Specialist Christopher E. Tucker/Released)