180422-N-CF658-003 PACIFIC OCEAN (April 22, 2018) Operations Specialist 2nd Class Michael J. Sevilla monitors displays as the anti-submarine tactical air controller during a cruiser-destroyer surface warfare advanced tactical training (SWATT) exercise. SWATTs are designed to increase warfighting proficiency, lethality, and interoperability of participating units. Stockdale is deployed with the John C. Stennis Carrier Strike Groupin the Indo-Pacific region. (U.S. Navy photo by Mass Communication Specialist 2nd Class Amanda A. Hayes/Released)