Without Tier 1 or 2 task critical assets, how often will the higher headquarters mission assurance assessment be conducted?

The correct choice regarding the frequency of the higher headquarters mission assurance assessment conducted without Tier 1 or Tier 2 task critical assets is every five years. This timeframe is established to ensure that the appropriate checks and evaluations occur without burdening the resources of the organization. The five-year interval allows units to prepare adequately for assessments while also ensuring that the mission assurance process remains effective in the absence of high-priority assets.

This schedule aligns with the framework of prioritizing assessments based on the resources and criticality of the tasks at hand, allowing entities to focus on essential operations while maintaining compliance with regulatory and safety requirements. By not conducting the assessment more frequently under the specified conditions, the organization efficiently allocates its resources while still fulfilling its mission assurance obligations.