What insignia denotes a Rear Admiral Lower Half (RDML)?

The insignia that denotes a Rear Admiral Lower Half (RDML) is represented by one star. In the United States Navy and Coast Guard, the rank of Rear Admiral Lower Half is a one-star flag officer position. When visualizing the ranks, it’s important to note that each distinction in ranks is indicated by the number of stars displayed.

While two stars represent a Rear Admiral Upper Half, three stars are assigned to Vice Admirals, and four stars are associated with Admirals, one star is specifically designated for the rank of Rear Admiral Lower Half. This system of insignia helps in quickly identifying and differentiating the ranks and responsibilities of officers within the naval hierarchy. Understanding these insignia is essential for recognizing command levels and ensuring proper protocol within a military setting.