Grand Admiral a naval rank in one of the highest in the several European navies that use this system, what system are they using?
Grand admiral Grand admiral is a historic naval rank, the highest rank in the several European navies that used it. It is best known for its use in Germany as "Großadmiral". A comparable rank in other navies is that of fleet admiral.
Naval Striking and Support Forces NATO Naval Striking and Support Forces NATO (STRIKFORNATO) is the principal naval service command of the Allied Command Operations for the North Atlantic Treaty Organization, replacing Naval Striking and Support Forces Southern Europe (STRIKFORSOUTH). STRIKFORNATO is commanded by Commander United States Sixth Fleet, and it is the only command capable of leading an expanded maritime task force.