JDS Kongo (DDG 173)

The Japan Maritime Self-Defense Force destroyer JDS Kongo (DDG 173) is underway in the Pacific Ocean. George Washington, the Navy's only permanently forward-deployed aircraft carrier, is participating in Annual Exercise (ANNUALEX 21G), a yearly bilateral exercise with the U.S. Navy and the Japan Maritime Self-Defense Force. (Photo: U.S. Navy photo by Mass Communication Specialist 3rd Class Anthony Martinez/Released)

JDS Hyuga (DDH 181)

The Japan Maritime Self-Defense Force helicopter destroyer JS Hyuga (DDH 181) is underway in the Pacific Ocean as Sea Hawk helicopters from the Chargers of Helicopter Anti-Submarine Squadron (HS) 14 fly in formation alongside the ship. Ships from the U.S. Navy and Japan Maritime Self-Defense Force are participating in Annual Exercise (ANNUALEX 21G), a bilateral exercise designed to enhance the capabilities of both naval forces. (Photo: U.S. Navy photo by Lt. Reann S. Mommsen/Released)

JDS Hyuga (DDH 181)

The Japan Maritime Self-Defense Force helicopter destroyer JS Hyuga (DDH 181) sends morse code messages to the aircraft carrier USS George Washington (CVN 73) via light signals as the ships depart Yokosuka Naval Base. George Washington is underway conducting sea trials in the western Pacific Ocean after a completing a selective restricted availability. (U.S. Navy photo by Mass Communication Specialist Seaman Danielle A. Brandt/Released)

JDS Yamagiri (TV 3515)

The Japan Maritime Self-Defense Force Training Squadron JS Yamagiri (TV 3515) arrives at Joint Base Pearl Harbor-Hickam (JBPHH). Yamagiri arrived at JBPHH to participate in various professional exchanges and social events with U.S. counterparts. This year marks the 50th anniversary of the U.S.-Japan Treaty of Mutual Cooperation of Security of 1960 that established the alliance between the two countries. (Photo: U.S. Navy photo by Mass Communication Specialist 2nd Class Mark Logico/Released)