How many stars does the shoulder board of 0-7 in the Navy have?

The shoulder board of an O-7 rank in the Navy features 1 star. In the context of the Navy's rank structure, the O-7 designation corresponds to the rank of Rear Admiral Lower Half. The insignia for this rank is characterized by a single silver star on the shoulder board. This visual representation helps distinguish the rank of Rear Admiral Lower Half from other ranks, particularly higher ranks like Rear Admiral Upper Half, which has two stars. Understanding the insignia is essential for recognizing the hierarchy and structure within naval ranks.