Unless directed otherwise, all naval message directives are canceled after what maximum period of time?

The maximum period of time after which all naval message directives are canceled, unless directed otherwise, is 90 days. This timeframe is established to ensure that any directives or instructions remain relevant and are regularly reviewed for necessity and accuracy. By enforcing a 90-day cancellation period, the Navy promotes the importance of current and actionable guidance, urging personnel to stay updated on directives that may change due to evolving operational circumstances or policy updates. This practice helps maintain efficient communication and operational discipline within the naval structure.