200721-N-ML137-2142 PHILIPPINE SEA (July 21, 2020) The guided-missile destroyer USS Mustin (DDG 89), left, part of the Ronald Reagan Carrier Strike Group, steams alongside the Australian Defense Force (ADF) frigate HMAS Arunta (FFH 151) during a trilateral exercise. Trilateral exercises between the Japan Maritime Self-Defense Force, ADF and 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. (U.S. Navy photo by Mass Communication Specialist 2nd Class Samantha Jetzer/Released)