Organizations and individuals in the Modeling & Simulation and Training industries are represented through membership in the National Training and Simulation Association (NTSA), a proud affiliate of the National Defense Industrial Association (NDIA).NTSA provides the training, simulation, related support systems and training services industries a focused, formal organization to represent and promote their business interests in the market place.  NTSA also fosters relationships between the training industry, planners and acquisition agencies regarding requirements, procurement issues and policies.