4.2 - Space Segment Systems Engineering

4.2-1 Level 2 Tasks

Tasks Applicable Mission Phases Description SFWC Artifacts References
4.2-1-1 Ensure all major and minor Program Milestone Reviews (SRR, SDR, PDR, CDR, Sell Offs, etc.) have specific entrance and exit criteria Phase A | Phase B | Phase C | Phase D1 | Ensure that all criteria are met for each review. Delta reviews scheduled to satisfy any remaining requirements. Ensure that costs and earned value reporting are part of periodic reviews. Ensure that plans required on program are delivered: acknowledgement of commitment at SDR, preliminary at PDR, with finals at CDR. NA NA Space Vehicle Systems Engineering Handbook, TOR-2006(8506)-4494, Mission Assurance Guide, TOR-2007(8546)-6018, Rev B, Guidelines for Space Systems Critical Gated Events, TOR-2009(8583)-8545
4.2-1-2 Ensure government involvement with contractor design implementation and verification process that considers all disciplines involved, and all interface organizations Phase A | Phase B | Phase C | Phase D1 | Ensure space systems engineering is responsible for and can control space systems engineering functions in all program phases and governing all interfaces, components, performance and MA specification generation and verification. Ensure contractor has allocated resources for tasks, including tailoring and execution of the MA standards NA NA Mission Assurance Guide, TOR-2007(8546)-6018, Rev B, Program Assurance Chapter
4.2-1-3 Ensure impact of any critical issue associated with the space system is addressed with a timely execution plan Phase A | Phase B | Phase C | Phase D1 | Ensure tracking and resolution activities are documented for any critical issues (as defined by the program). Ensure issues have closeout mitigations plans with schedules and resources that show acceptable closure plans for successful program execution within cost and schedule constraints. NA NA Space Vehicle Systems Engineering Handbook (TOR-2006(8506)-4494)
4.2-1-4 Ensure that the program executability methodology incorporates independent analyses and/or reviews to validate design, build and final product Phase A | Phase B | Phase C | Phase D1 | Ensure that independent reviews are considered for major program issues, Functional Configuration Audits, and Physical Configuration Audits. NA NA Space Vehicle Systems Engineering Handbook, TOR-2006(8506)-4494
4.2-1-5 Ensure schedule for design, build and test is provided and is reasonable Phase A | Phase B | Phase C | Phase D1 | Ensure the contractor has identified appropriate resources, risks and mitigation plans allowing for a feasible schedule within budget constraints. NA NA Space Vehicle Systems Engineering Handbook, TOR-2006(8506)-4494
4.2-1-6 Ensure problem identification, failure review and corrective action processes are adequate Phase A | Phase B | Phase C | Phase D1 | Phase D2 | Phase D3 | Ensure that the PMPCB (Parts, Materials, Processes Control Board) and FRB (Failure Review Board) processes are in place and implemented. Ensure anomaly resolution is addressed and resolved through FRB, PMPCB, and other activities. Ensure all anomaly identification and resolution packages and sell-off packages are documented and filed. Ensure that failure and corrective action processes include interface to the problem alerting databases. NA NA Space Vehicle Systems Engineering Handbook, TOR-2006(8506)-4494,
4.2-1-7 Ensure lessons learned and alert systems are regularly reviewed for applicability to the space system to ensure incorporation into design, manufacture/build, test and operations Phase A | Phase B | Phase C | Phase D1 | Phase D2 | Phase D3 | Ensure lessons learned databases are reviewed and applied, as appropriate. Ensure interface exists to the problem alerting databases, including a surveillance process for relevant alerts. NA NA Space Vehicle Systems Engineering Handbook, TOR-2006(8506)-4494; Why Satellites Fail: Lessons for Mission Success, TOR-2009(8617)-8704