What must security managers verify that officer applicants possess?

The correct answer involves the requirement for security managers to verify that officer applicants possess a DONCAF, which stands for Department of the Navy Central Adjudication Facility. This is crucial because the DONCAF is responsible for the security clearance process within the Navy and Marine Corps. It assesses the eligibility of applicants for access to classified information, making it essential for ensuring that all officer candidates meet security standards necessary for their roles.

In the context of officer applicants, possessing a DONCAF means they have undergone thorough evaluations that confirm their trustworthiness and reliability, fundamental attributes for officers who may handle sensitive information. This verification process is critical in maintaining the integrity and security of the military operations.

Other options like age verification, medical clearance, and background check authorization, while important in their own contexts, do not specifically fulfill the requirement related to security management for access to classified information. Age verification ensures applicants meet minimum age requirements, medical clearance assesses fitness for duty, and background check authorization relates to the overall investigation process but does not directly establish the specific requirements tied to security clearance as the DONCAF does.