Final answer:
Corrective maintenance involves preventive and corrective procedures to restore equipment to a mission-capable status.
Step-by-step explanation:
The level of maintenance that involves preventive and corrective procedures to restore equipment to a mission-capable status is called Corrective maintenance. This type of maintenance focuses on fixing failures or issues that have already occurred and aims to return the equipment to an operational state.
For example, if a computer suddenly stops working, corrective maintenance would involve troubleshooting the issue, repairing or replacing faulty components, and restoring the computer's functionality.
Corrective maintenance is an important aspect of equipment maintenance, as it helps ensure that devices or systems are operational and can fulfill their intended purpose.