INDIAN OCEAN (Dec. 14, 2021) Dr. Mallory Ladd, right, and Dr. Keith Zirkle, research scientists representing Center for Naval Analyses, currently embarked aboard the Nimitz-class aircraft carrier USS Carl Vinson (CVN 70), observe flight deck operations, Dec. 18, 2021. The 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 3rd Class Jeff D. Kempton)