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The fireleader coordinates firefighting activities aboard Galactica. He keeps in contact with core command regarding the progress of the firefighting, as well as any potential fire-related hazards (TOS: "Fire in Space").
After a Cylon kamikaze attack on Galactica, the battlestar's fireleader worked with Colonel Tigh and Flight Officer Omega to try to combat the fires that had sprung up across the ship in the aftermath (TOS: "Fire in Space").
The fireleader on Galactica was portrayed by William Bryant in (TOS: "Fire in Space").