Design of Enterprise Systems - evaluate system architectures for flexibility and other desired system properties, Integration and Interoperability - develop models, algorithms, and measures of interoperability for systems of system architectures and net-centric warfare architectures using a measurement theoretical framework, Architecture Design Methods - evaluate DoDAF and development measures and methods to improve architecture design, System-of-systems (SoS) engineering and architecture, use of model-based systems engineering to design and analyze complex systems