Pacific Ocean, NNS (April 18, 2018) Lieutenant Craig Stocker, a Warfare Tactics Instructor assigned to Surface Warfare Officer School Newport, R.I., is temporarily attached to Surface and Mine Warfighting Development Center (SMWDC) tracks and mentors crewmembers during an Anti-Submarine exercise onboard the USS Stockdale (DDG 106). Stockdale, USS Mobile Bay (CG 53) and USS Spruance (DDG 111) are the CRUDES warships from USS John C. Stennis (CVN 74) Carrier Strike Group (CSG) completing a SMWDC led CRUDES SWATT exercise. SWATTs are designed to increase warfighting proficiency, lethality, and interoperability of participating units. (U.S. Navy photo by Mass Communication Specialist 2nd Class Amanda A. Hayes/released)