Commodore

Commodore is a naval rank, the equivalent of which is used by the service organizations of many civilizations. As a traditional grade, commodore is the most junior flag officer rank of a naval organization, under an admiral rank (usually under Rear Admiral) but senior to a Captain. Commodores command groups of ships, as opposed to captains commanding single ships or units. In comparison to other ranking systems, this rank is equivalent to the military brigadier or brigadier general.

List of Starfleet Commodores
Martha Mcbeath,(USS Discovery (NCC-74749))