Grand marshal is a ceremonial, military, or political office of very high rank.
The term has its origins with the word "marshal" with the first usage of the term "grand marshal" as a ceremonial title for certain religious orders.
The following are some additional usages of the term grand marshal: As a court title, a grand marshal is normally the supreme court official in a government legislative branch.
Some examples include: Grand marshal often appears as a rank in science fiction sources, often in space or star fleets whose size requires a rank above such other titles as surface marshal and fleet admiral.
Among grand marshal science fiction equivalents include: