160826-N-YU572-035 SOUTH CHINA SEA (Aug. 24, 2016) Lt. j. g. Matthew Vigilante and Quartermaster Seaman Tristan Carroll chart a course aboard the guided-missile destroyer USS Momsen (DDG 92) while transiting the South China Sea. The guided-missile destroyers USS Spruance (DDG 111), USS Decatur (DDG 73) and Momsen are deployed in support of maritime security and stability in the Indo-Asia-Pacific as part of a U.S. 3rd Fleet Pacific Surface Action Group (PAC SAG) under Commander, Destroyer Squadron (CDS) 31. (U.S. Navy photo by Chief Mass Communication Specialist (select) Jay C. Pugh/Released)