This Technical Report is a guide for the life cycle management of systems and software based onISO/IEC 15288 and ISO/IEC 12207. This Technical Report:• addresses systems concepts and life cycle concepts, models, stages, processes, process application, key points of view, adaptation and use in various domains;• establishes a common framework for describing life cycles, including their individual stages, for themanagement of projects to provide or acquire either products or services;• defines the concept and terminology of a life cycle;• supports the use of the life cycle processes within an organization or a project. Organizations and projectscan use these l