A sound maintainability program begins with good management. It is management that assigns and allocates resources, directs and controls processes, and evaluates progress. So a maintainable product begins with a deliberate decision by management to make the product maintainable. Since maintainability is a true design characteristic, it must be a design requirement leading to certain design approaches and features. To support designing for maintainability, certain analyses must be conducted. Some of these analyses may be unique to maintainability while others are also performed for other purposes. Design, especially for products incorporating new technologies or having complex functions, must be supplemented by effective development test. Finally, data are needed to support maintainability design and analysis, and data from the maintainability effort are needed in other functional areas, especially logistics planning.