190827-N-UA460-0161 SINGAPORE (Aug. 27, 2019) Officers from participating countries track vessels and analyze data during the Southeast Asia Cooperation and Training (SEACAT) 2019 command post exercise at Changi Naval Base. This year marks the 18th iteration of SEACAT, which is designed to enhance maritime security skills by highlighting the value of information sharing and multilateral coordination. (U.S. Navy photo by Mass Communication Specialist 1st Class Greg Johnson/Released)