Which element maintains inspection results of grounding systems?

The choice indicating that munitions plans and scheduling maintains inspection results of grounding systems is correct because this element is specifically responsible for overseeing the coordination and scheduling of maintenance activities, including inspections of critical systems like grounding. This function is essential for ensuring that all necessary inspections are timely completed, documented, and that the results are tracked effectively to maintain safety and operational readiness.

Munitions plans and scheduling involves the administrative processes and procedural guidelines that dictate how inspections are planned, recorded, and reviewed. It ensures that any deficiencies found during inspections are addressed promptly and that ongoing evaluation of grounding systems is maintained to prevent any failures.

Other elements, while they may have roles in munitions systems, do not directly correlate to the maintenance and record-keeping of inspection results for grounding systems, which is primarily the responsibility of munitions plans and scheduling.