INDIAN OCEAN (Dec. 17, 2021) The Nimitz-class aircraft carrier USS Carl Vinson (CVN 70) transits the Indian Ocean during a bilateral training exercise with the Royal Australian Air Force, Dec. 17, 2021. The Carl Vinson Carrier Strike Group and elements of the Royal Australian Navy and Air Force are conducting a bilateral training exercise to test and refine warfighting capabilities in support of a free and open Indo-Pacific. (U.S. Navy photo by Mass Communication Specialist 1st Class Tyler R. Fraser)