SINGAPORE (Sept. 19, 2023) Chief Quartermaster Corey Vyvyan, left, goes over a map of the Straits of Johor with Rear Adm. Mark A. Melson, U.S. Pacific Fleet executive agent for Pacific Partnership 2023, right, and U.S. Marine Corps Brig. Gen. Adam L. Chalkley, commanding general of 3rd Marine Logistics Group (3D MLG), center, during a tour aboard the Harpers Ferry-class amphibious dock landing ship USS Pearl Harbor (LSD 52). Now in its 18th year, Pacific Partnership is the largest annual multinational humanitarian assistance and disaster relief preparedness mission conducted in the Indo-Pacific. (U.S. Navy photo by Mass Communication Specialist 2nd Class Heath Zeigler)