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.
Chancellor (Russia) Chancellor of the Russian Empire was the civil position (class) in the Russian Empire, according to the Table of Ranks introduced by Peter the Great in 1722. That was a civil rank of the 1st class and equal to those of Active Privy Councillor, 1st class, General Field Marshal in the Army, and General Admiral in the Navy. The rank holder should be addressed as "Your High Excellency" (Russian: Ваше Высокопревосходительство , Vashe Vysokoprevoskhoditelstvo).