181107-N-XT039-1035 ATLANTIC OCEAN (Nov. 7, 2018) Ensign David Desimone, right, off-going junior officer of the deck, trains Ensign J. P. Garcia Castro, second from right, and Boatswain’s Mate 3rd Class Jacob W. Roeder, second from left, on proper acoustic device countermeasure utilization on the bridge of the guided-missile cruiser USS Leyte Gulf (CG 55). USS Abraham Lincoln (CVN 72) Carrier Strike Group (CSG) cruiser-destroyer (CRUDES) units are completing the first East Coast CRUDES Surface Warfare Advanced Tactical Training (SWATT) exercise. SWATT is led by the Naval Surface and Mine Warfighting Development Center (SMWDC) and is designed to increase warfighting proficiency, lethality, and interoperability of participating units. (U.S. Navy photo by Mass Communication Specialist 3rd Class Jesse Marquez Magallanes/Released)