IDEF ZERO

Node A6 · Acronym decoder

ORD

Operational Requirements Document

What it actually means

The legacy requirements document that preceded the CDD/CPD structure in defense acquisition — stating operational performance requirements for a system. Retired from the process circa 2003 but still encountered on long-lived programs and in older references, so it's worth recognizing.

Where you'll meet it

Legacy program baselines and historical documents.

Related terms

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