In modern militaries, typical command assignments at this level would be an operational fleet or naval comp, a major shore base, or a high level of staff responsibility, such as the director of a national naval staff.
Many countries follow U.S. or British usages. Both wear sleeve insignia of one broad and two full rings. As shoulder or collar insignia, U.S. admirals wear three stars, while the Commonwealth uses a crown, crossed baton & sword and two stars.
- NATO codes for grades of military personnel: Agreed English texts, 1992, NATO Standardization Agreement (STANAG) 2116