Which rank is designated as O-8?

The rank designated as O-8 in the Navy is Rear Admiral Upper Half. This rank is part of the officer ranks and specifically denotes a two-star rear admiral. The structure of U.S. military officer ranks categorizes them into different pay grades, and O-8 corresponds to the rank of Rear Admiral Upper Half.

This rank is important in the Navy leadership hierarchy, as it signifies a higher level of responsibility and authority over operational units. Officers holding the rank of Rear Admiral Upper Half often serve in significant leadership positions, overseeing various strategic and operational roles within the Navy.

To clarify the other ranks: Admiral is the O-10 rank, which is the highest rank for Navy officers; Rear Admiral Lower Half is O-7, which indicates a one-star admiral; and Commander is an O-5 rank, which is significantly lower in the hierarchy. Understanding these distinctions helps in grasping the overall command structure within the Navy.