The title for O-7 is?

The correct title for O-7 is Rear Admiral Lower Half. This rank is part of the U.S. Navy's officer grade structure, where officer grades are designated with 'O' followed by the number corresponding to their rank. For O-7, the rank is termed Rear Admiral Lower Half, which distinguishes it from the higher rank of Rear Admiral Upper Half (O-8).

In the Navy, the hierarchy of ranks is important, and the title of Rear Admiral Lower Half indicates a specific junior flag officer status. This is significant as it reflects the progression of ranks, with Rear Admiral Lower Half being the entry-level flag rank, while Rear Admiral Upper Half represents a more senior position. Understanding this distinction is crucial not only for navigational purposes within military operations but also for recognizing the command structure and responsibilities associated with each rank.