The Software Life Cycle Support Environment (SLCSE) is a VAX/VMS-based software development environment framework which presents a common and consistent user interface accessing a comprehensive set of software development tools supporting the full spectrum of DOD-STD-2 167A software life cycle activities from Requirements Analysis to Maintenance. These tools utilize a Project Database which maintains information relevant not only to the software under development (e.g., requirements allocation, software interfaces, etc.), but also information relating to the project as a whole (e.g., schedules, milestones, Quality Assurance, Configuration Management, etc.). The Project Database supports the DOD-STD-2167A life cycle model and associated Data Item Descriptions (DIDs). SLCSE's framework approach supports the integration of new tools into the environment and permits the SLCSE to evolve over time and adapt to advances in software engineering technology.