Captain

Captain Affiliation Starfleet Higher Rank Commodore Lower Rank Commander Command Starships Starbases Colonies
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Captain (Abbreviated to Capt) is the most senior line officer rank. Captains most often command starships and medium to large starbases. Captains may also command planetary outposts or serve as division heads for Starfleet bases on major worlds or as adjutants to senior flag officers.