Which rank is labeled as O-7?

The rank labeled as O-7 is Rear Admiral Upper Half. This rank is used in the naval services of several countries and indicates a senior officer who typically commands a significant operational or administrative unit. The numerical designation O-7 is part of a classification system used by the military to denote the rank of an officer based on their pay grade.

A Rear Admiral Upper Half is a two-star admiral, representing a higher level of authority compared to lower ranks like Rear Admiral Lower Half, which is O-6, and other lower command positions. The distinctions in these ranks reflect the hierarchy and level of responsibility within the military structure, and understanding these nuances is essential for interpreting military ranks and their meanings accurately.