Personal relationships between officer and enlisted members that are unduly familiar and that do not respect differences in grade or rank are prohibited. Such relationships are prejudicial to good order and discipline and violate long-standing traditions of the Naval service.

What are the dating rules in the Navy?

US NAVY REGULATIONS 1165: Prohibits personal relationships between officers and enlisted personnel that are unduly familiar and do not respect the differences in grade or rank. Such relationships are prejudicial to good order and discipline and violative of service tradition.