Providing systems engineering and analyses support to include general studies and analysis, technology assessment, systems engineering, systems implementation planning, systems integration and system test and evaluation. We review specifications, plans, analyses, modeling, simulations, and reports and provide technical opinions. We review engineering output in the areas of designs, systems level operation and maintenance procedures, performance improvements criteria, metrics management, quality assurance, configuration management, maintenance practices, and technical orders. Also providing support to large complex C5ISR systems and their integration into tactical platforms and fixed strategic sites. We apply architecture-based processes, frameworks, tools, and architecture views/viewpoints, including other DoD components and operational, system, technical and other views.