INDIAN OCEAN (Dec. 13, 2021) An MH-60S Sea Hawk, assigned to the “Black Knights” of Helicopter Sea Combat Squadron (HSC) 4, prepares to lift off the flight deck of the Nimitz-class aircraft carrier USS Carl Vinson (CVN 70), Dec. 13, 2021. Carl Vinson Carrier Strike Group and elements of the Royal Australian Navy 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 Seaman Sophia Simons)