The rank of superadmiral was a grade of admiral in naval service, superior to a fleet admiral or grand admiral. The flag officer rank of superadmiral was used by service organizations, including the Nine Worlds Confederation, thousands of years ago.
History and specifics[]
Goluscz was a superadmiral of the Nine Worlds Confederation war-fleet at the Battle of Rhinate in December, 57 BCE (reference stardate −20/5712). (FASA RPG - The Orions module: Book of Common Knowledge)