| 4.5.4-10-1 Ensure all units and components have met their requirements and verification evidences are documented |
Phase B |
Phase C |
Phase D1 |
|
Ensure reworked units are retested adequately in accordance with applicable specifications and standards to verify workmanship and to restore complete confidence in the functional and environmental performance of the unit. Ensure verification progress is tracked using the verification ledger/matrix.
|
NA
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NA
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Space Vehicle Systems Engineering Handbook, TOR-2006(8506)-4494
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| 4.5.4-10-2 Ensure payload has met all of its requirements and evidences are documented |
Phase D1 |
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Ensure that unit-to-bus system level testing verifies performance at temperatures and other environmental including electrical, pressure and radiation extremes at all levels of testing. Ensure that unit level testing stresses the unit as built to reveal issues at the lowest level of build and test. Ensure verification progress is tracked using the verification ledger/matrix.
|
NA
|
NA
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Space Vehicle Test and Evaluation Handbook, TOR-2011(8591)-2
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| 4.5.4-10-3 Ensure hardware and software requirement buy-offs are completed as appropriate for the payload |
Phase D1 |
|
Ensure requirements are verified to the lowest possible level. Ensure any exceptions (such as test like you fly exception) are addressed prior to approval. Ensure all requirement buy-off packages are documented.
|
NA
|
NA
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Space Vehicle Test and Evaluation Handbook, TOR-2011(8591)-2
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| 4.5.4-10-4 Ensure all payload development anomalies and failures are documented and dispositioned in accordance with approved processes |
Phase D1 |
|
Assess the mission impact due to the anomaly and failure. Ensure root cause of the anomaly and failure is identified. Disposition and corrective actions are clearly documented. Ensure that all components related to the anomaly are evaluated for overstress, including Acceptance Data Packages, Qualification Test Reports and any raw test data when available. Ensure that any cross-program systemic issue is submitted to problem alerting processes. In case of unverified failure, fully understand the mission impact and possible work around plan when anomaly/failure reoccurs.
|
NA
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NA
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Mission Assurance Guide, TOR-2007(8546)-6018, Rev B, ITE chapter.
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| 4.5.4-10-5 Ensure review of all verification and corrective action data for all developed hardware and software |
Phase D1 |
|
Ensure all stakeholders review all test data and discrepancy documentation (at all levels) and have an opportunity to provide comments and recommendations for corrective action.
|
NA
|
NA
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Space Vehicle Systems Engineering Handbook, TOR-2006(8506)-4494; Mission Assurance Guide, TOR-2007(8546)-6018, Rev B
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| 4.5.4-10-6 Ensure that system recovery and failure modes perform as anticipated |
Phase D1 |
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Ensure baseline, thermal-vacuum and factory acceptance testing includes entry into, and successful exit from, safe-modes. Ensure results of testing are analyzed for expected responses. Review analyses and test results from system recovery and failure mode evaluations to ensure that the satellite and payload subsystems behave as designed when encountering emergency and off-nominal scenarios (including but not limited to satellite tumbling (loss of attitude control), loss of power or heating/cooling, loss of ground commanding, processor halts, single-event upsets, and Communications Payload unit failures, etc.)
|
NA
|
NA
|
Space Vehicle Test and Evaluation Handbook, TOR-2011(8591)-2
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| 4.5.4-10-7 Ensure end-to-end system performance and data flow to end users meets requirements |
Phase A |
Phase B |
Phase C |
Phase D1 |
|
Ensure that communications experts review end-to-end test results and analyses provided to support end-to-end requirement verifications. Ensure that non-nominal scenarios (such as raw and processed data storage, external users, distributed or broadcast channels, and channels that require changes to data protocol) are included in the validation and verification.
|
NA
|
NA
|
Space Vehicle Systems Engineering Handbook, TOR-2006(8506)-4494
|