Rational Rhapsody Architect for Systems Engineers is an integrated systems engineering environment for analyzing project requirements. Maintain consistency Systems Modeling Language (SysML) and Unified Modeling Language (UML) enable you to visualize complex requirements and maintain design consistency. Manage change Requirement traceability links requirements to design elements and test cases to help ensure coverage and assess impact of change. Manage complexity Team collaboration capabilities help manage the complexity of developing consistent designs across different environments.