What is the Navy rank of O-3?

The Navy rank of O-3 is Lieutenant. This rank is significant within the naval hierarchy, as it represents a level of authority and responsibility. Lieutenants typically serve as department heads on ships or in other commands and are often responsible for managing junior personnel. The duties associated with this rank include overseeing operations, training, and ensuring readiness among their teams.

In contrast to the other ranks provided, Captain pertains to O-6 in the Navy, which is a much more senior position. Lieutenant Junior-Grade, denoted as O-2, reflects an earlier stage in a naval officer's career and comes before becoming a full Lieutenant. Chief Petty Officer is an enlisted rank, specifically E-7, indicating a non-officer status. Understanding these distinctions is vital for grasping the structure and progression within the Navy's rank system.