Grand Admiral a naval rank in one of the highest in the several European navies that use this system, what system are they using?
Military rank Military ranks are a system of hierarchical relationships in armed forces, police, intelligence agencies or other institutions organized along military lines. Usually, uniforms denote the bearer's rank by particular insignia affixed to the uniforms. Ranking systems have been known for most of military history to be advantageous for military operations, in particular with regards to logistics, command, and coordination; as time went on and military operations became larger and more complex, military ranks increased and ranking systems themselves became more complex.
Allied Naval Forces Southern Europe Allied Naval Forces Southern Europe (NAVSOUTH) was a Component Command in NATO's Allied Forces Southern Europe (AFSOUTH). The NAVSOUTH Commander, also known by the abbreviation COMNAVSOUTH, was a high-ranked admiral assigned to the post by Italy, while the staff came from the other NATO countries