170828-N-TR141-1005 PACIFIC OCEAN (Aug. 28, 2017) U.S. Navy (USN) and Republic of Singapore navy (RSN) ships participate in a photo exercise during Pacific Griffin 2017 off the coast of Guam. The exercise between the USN and RSN represents the enhanced capabilities of both navies to operate and work together to ensure maritime security and stability. (U.S. Navy photo by Mass Communications Specialist 1st Class Benjamin A. Lewis/Released)