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190110-N-AZ808-1033 SAN DIEGO (Jan. 10, 2019) Chief Operations Specialist Anna Penrod, left, assigned to the guided-missile destroyer USS Rafael Peralta (DDG 115), and Lt. Aaron Van Driessche participate in an air defense scenario at the Combined Integrated Air and Missile Defense (IAMD) and Anti-Submarine Warfare (ASW) Trainer (CIAT). CIAT is the Navy’s newest combat systems trainer. Rafael Peralta became the first warship to pilot the advance warfare training curriculum at CIAT. (U.S. Navy photo by Mass Communication Specialist 2nd Class Nicholas Burgains/Released)