190919-N-SE292-0006 SAN DIEGO (Sept. 19, 2019) Lt. Alex Tcholokov, center left, an anti-submarine warfare/surface warfare (ASW/SUW) tactics instructor assigned to the Sea Combat Division of the Naval Surface and Mine Warfighting Development Center (SMWDC), and Lt. Aaron Van Driessche, center right, an integrated air and missile defense warfare tactics instructor, work with students, from left, Lt. j.g. Cara Pastrana, Lt. j.g. Betty Yi, Lt. j.g. Joseph Dilldine, and Lt. j.g. Chastitie Polk. SMWDC and Center for Surface Combat Systems (CSCS) host ASWO students for hands-on training inside of CSCS’s Combined Integrated Air & Missile Defense/Anti-Submarine Warfare Trainer. (U.S. Navy photo by Clinton Beaird/Released)