Final answer:
Enlisted EVALs are retained for two years, CHIEFEVALs are retained for five years in the Navy.
Step-by-step explanation:
In the Navy, enlisted sailors' EVALs (Evaluation Reports) and CHIEFEVALs (Chief Petty Officer Evaluation Reports) must be retained for a certain period of time for record-keeping purposes. According to the Navy Personnel Command, enlisted EVALs are retained for two years after the end of active duty or drilling reserves. CHIEFEVALs, on the other hand, are retained for five years after the end of active duty or drilling reserves.