A Surface Marshal is an army rank currently equivalent to Grand Admiral in seniority. A Surface Marshal is typically senior to a High General and junior to a Lord General. Surface Marshals are addressed by rank and name, thereafter by subordinates as "Sir" or "Ma'am". The rank is usually abbreviated to "SMars." or "SMARS".

Traditionally, the rank of Surface Marshal is under that of Grand Admiral and equivalent to that of High Admiral.

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