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Tailored system architecture for design of S&T missions using DoDAF2.0

The use of systems architecture, following a set of integrated descriptions from an architecture framework, has been well codified in Department of Defense acquisition and systems engineering. 12However, in the Space Science and Technology (S&T) community, this guidance and practice receives much less attention. This paper outlines an approach to embrace the new focus of DoD Architecture Framework 2.0 (DoDAF2.0), with an emphasis on data and support to acquisition decision analysis. After decomposing the Space S&T lifecycle into phases, design milestones and activities using process models, we then propose a set of lifecycle-matured models and Fit-for-Purpose views. Our approach makes DoDAF2.0 more relevant and integrated with S&T missions, as well as facilitates reuse with existing documentation.