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UNSC Protocol 490-OUU was a protocol used by the UNSC for top secret "special-circumstance" viewing of any and all undeclared devices, substances, or passive network links.

Failure to comply with any of the regulations, pursuant to military protocols of handling DBL-Code-Word classified objects, are subject to a minimum of twenty-five years imprisonment and in wartime, death under the official secrets act of 2550.

List of appearancesEdit


Halo Reach: Limited Edition