The Naval Air Warfare Center Training Systems Division (NAWCTSD) of the US Navy has developed a Virtual Environment for Training Technology (VETT) testbed to investigate the use of virtual software environments in training. In the initial demonstration, an underway replenishment (UNREP) task, a conning officer drives a warship alongside a replenishment ship while at sea to take on fuel and stores. Part of the investigation includes developing a semi-automated, data-driven approach to understanding the actions of the watchstander while developing a cognitive model of that performance.
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