What is the full title of the O-4 rank in Navy JROTC?

The full title of the O-4 rank in Navy JROTC is "Cadet Lieutenant Commander." This rank reflects a position of leadership and responsibility within the cadet structure, typically associated with overseeing various programs or divisions within the unit. The title "Lieutenant Commander" is derived from naval ranks in the U.S. Navy, with "Cadet" indicating that it is specific to the Junior Reserve Officers' Training Corps environment.

The term "Lieutenant Commander" combines elements that denote rank and authority, demonstrating that the cadet has advanced beyond the ranks of lower officers. Graduating to this position usually requires dedication and proficiency in both leadership and military knowledge, making it a significant milestone in a cadet's career.

While the other options include titles that denote rank, they either reflect lower hierarchical positions or are not aligned with the O-4 designation in the JROTC structure. This distinction is crucial for understanding the ranking system and the associated responsibilities within the program.