How often should infrastructure inspections be performed according to Air Force guidelines?

The Air Force guidelines emphasize that inspections of infrastructure should be conducted at least annually. This frequency ensures that potential issues are identified and addressed in a timely manner, which is crucial for maintaining safety, functionality, and compliance with standards. Regular inspections help to monitor the condition of facilities, identify wear and tear, and provide opportunities for proactive maintenance. By promoting an annual inspection schedule, the guidelines aim to prevent small issues from escalating into significant problems that could affect operational readiness and safety.

The other options suggest less frequent inspections, which may not adequately address the ongoing needs for infrastructure maintenance and safety oversight. Inspections that are too infrequent could result in undetected deterioration or hazards, ultimately hindering the overall effectiveness of the Civil Engineer mission.