The Human Factors Laboratory of the Naval Training Equipment Center is developing a demonstration/research surface warfare training simulation system for combat officers. The system integrates and expands the automated instructional software features developed for the Submarine Advanced Reactive Tactical Training System (SMARTTS) with portions of the tactical modeling originally developed for the Naval Tactical Game (NAVTAG) in a real time simulation environment. The objectives of the Surface Warfare Advanced Training Technology (SWATT) Research and Development Facility are twofold: (1) to demonstrate the feasibility of applying advanced training techniques and software/hardware technology to surface warfare trainers and (2) to evaluate as well as to enhance tactical team/individual decisionmaking performance against multiple threats. This paper briefly discusses the evolution of SWATT, its characteristics, and the relationship of its technological features to improvements in tactical decisionmaking training. Key research issues employing SWATT are also discussed.