Rear Admiral

Rear Admiral (少将) is a (Lower Half) to  (Upper Half) senior officer rank in the Royal, the lowest Admiral grade in the Royal Navy High Command.

Rear Admiral Grades
Rear Admiral both have two semi-grades, Lower and Upper Half. How this works is Lower and Upper Half both work together in a organized to higher ranking Admirals (such as Vice Admiral), which Rear is considered despite being the highest ranks one can obtain, the transition stages into becoming a Vice Admiral.