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Definition

System Requirements Review

SRR

A phase gate review that evaluates whether the system requirements are complete, consistent, and testable before proceeding to preliminary design. Typically occurs at the end of Phase A.

Related terms

Space Mission Analysis and DesignSMAD

The standard methodology for spacecraft mission engineering, covering the full lifecycle from concept studies through op...

Sun-Synchronous OrbitSSO

A near-polar LEO orbit where the orbital plane precesses at the same rate as Earth's revolution around the Sun. Provides...

Suspect Link

A traceability link flagged for review because the source or destination requirement has been modified. Suspect links in...

Test Readiness ReviewTRR

A phase gate review confirming that the test program, test procedures, test facilities, and test articles are ready for ...

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