The Royal Australian Navy destroyer HMAS Hobart (DDG 39), left, the frigate HMAS Arunta (FFH 151), the landing helicopter dock ship HMAS Canberra (L02), the fleet replenishment vessel HMAS Sirius (O 266), the U.S. Navy forward-deployed aircraft carrier USS Ronald Reagan (CVN 76), the guided-missile cruiser USS Antietam (CG 54), the Japan Maritime Self-Defense Force destroyer JS Teruzuki (DD 116) and HMAS Stuart (FFH 153) steam into formation during a trilateral exercise. Trilateral exercises between the Japan Maritime Self-Defense Force, Australian Defense Force and the U.S. Navy support shared goals of peace and stability while enhancing regional security and the right of all nations to trade, communicate, and choose their destiny in a free and open Indo-Pacific region.