VisiTech delivers the âwhat isâ and âhow toâ of simulation, in the form of analytical studies, simulation systems, simulation products, and community-wide simulation standards. VisiTech takes a team approach to simulation, and often participates with Federal laboratories, Federally funded research and development organizations, and industry in cooperative Government/commercial alliances. Increasingly, VisiTech leads those alliance teams as system architects, and leads commercial teams as prime contractors. We define the architectures and develop the simulation software that represent the people and systems of the complex real world. VisiTech is an acknowledged world leader in the process of Environmental Concept Modeling (ECM), a revolutionary approach to the refinement and documentation of models and simulations, along with their respective requirements, behaviors, and limitations. Located in Northern Virginia, VisiTech, Ltd., is comprised of computer scientists, systems engineers, IT professionals, subject matter experts, including many former military per