Abstract
AbstractThe NASA Systems Engineering Process Improvement Team (SEPIT) has developed a NASA generic life cycle model of systems engineering and technical activities, to serve as a template in the development of project specific life cycles. The life cycle model is built around engineering process flow diagrams and includes descriptions of the objectives, processes, and products for each phase of the life cycle from initial customer needs and objectives to operation and finally, disposal of the system. The Life Cycle Model serves as a framework for the understanding and use of the other SEPIT products. The closely related Control Gates Standard is also described in some detail. This document describes the reviews that are used to assess progress and readiness for transitions in the project activities. After appropriate review and approval, the life cycle and the other products will serve as reference standards and/or guidance for use in the development of program and project plans.
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