(First para of existing 1.1, Scope): This standard defnes the interdisciplinary tasks that are required throughout a system's life cycle to transform customer needs, requirements, and constraints into a system solution. This document is intended to guide the development of systems (which include humans, computers, and software) for commercial, government, military, and space applications. The information applies to an enterprise within an enterprise that is responsible for developing a product design and establishing the life cycle infrastructure needed to provide for life cycle sustainment. The scope of the revision is to be unchanged.