For example, the requirements such as "The SDLCM shall support good project management practices." should be refined.
Another requirement "The SDLCM shall be compatible with government acquisition policies." should also be detailed.
One of the most challenging requirements may be "The SDLCM shall be simple and easy to implement." Considering the multi-aspect nature of LSDSs development, development of a simple and easy to implement models will not be easy.