USS Mobile, JS Akebono, HMAS Warramunga, BRP Antonio Luna and BRP Valentine Diaz sail in formation during a multilateral maritime cooperative activity between Australia, the United States, Japan and the Philippines off the coast within the Philippines Exclusive Economic Zone. *** Local Caption *** Australia, Japan, the Philippines and the United States Maritime Cooperative Activity within the Philippine Exclusive Economic Zone, on the 7 April 2024, included Philippine Navy vessels BRP Valentin Diaz and BRP Antonio Luna with its embarked helicopter, Philippine Air Force and Navy aircraft, United States Navy USS Mobile with its embarked helicopter and a P-8A Poseidon, Royal Australian Navy ANZAC Class frigate HMAS Warramunga with its embarked helicopter and a Royal Australian Air Force P-8A Maritime Patrol Aircraft, and Japan Maritime Self-Defense Force JS Akebono with its embarked helicopter. The Maritime Cooperative Activity demonstrated a collective commitment to promote and strengthen regional and international cooperation in support of an open and inclusive Indo-Pacific, upholding the right to freedom of navigation and overflight in accordance with international law and the UN Convention on the Law of the Sea (UNCLOS).