Which entry is NOT appropriate for Block 40 on a performance evaluation for a Chief Petty Officer?

Block 40 of a performance evaluation for a Chief Petty Officer (CPO) specifically requires the entry of a billet or pay grade identifier that is relevant to the individual’s position within the command. In this context, "NAC" does not represent an appropriate designation for a CPO's performance evaluation.

Commonly recognized entries in this block are titles that denote a specific leadership role or position, such as "CMDCS" (Command Senior Chief), "LCPO" (Leading Chief Petty Officer), and "SEA" (Senior Enlisted Advisor). These terms are standards within the Navy that reflect an individual's rank and responsibilities. However, "NAC" is not an established title particular to the rank of Chief Petty Officer and can lead to confusion regarding the individual's position and duties.

Understanding the correct terminology and appropriate titles is key for performance evaluations, as it helps accurately convey the roles and responsibilities of CPOs in their professional assessments.