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Aerospace and Defense Defense Consultancy, Logistics and IntelligenceAlion Science and Technology : Home SERVICES Defense Operations Naval Architecture and Marine Engineering Modeling and Simulation Industrial Technology Chemical, Biological, Nuclear and Environmental Sciences Information Technology Wireless Spectrum Engineering TECHNOLOGIES CONTRACT VEHICLES MEDIA ROOM HOME COMPANY CAREERS CONTACT US Virtual Flight Deck Training System Alion’s Virtual Flight Deck Training System (VFDTS) is used to train Navy Landing Signal Enlisted (LSE) personnel. More Alion's acquisition of Anteon assets na