Teska was an individual who lived in the 22nd century and served in the Federation Starfleet as an enlisted crewman in the USS Endeavour's security department. In 2163, Teska was part of a strike team led by Commander Aranthanien ch'Revash to a "Mute" ship to take prisoners in an attempt to find out their agenda. Later Teska was guarding the two "Mute" prisoners and was knocked unconscious when they managed to break out of Endeavour's decon chamber and was treated in sickbay afterward. (ENT - Rise of the Federation novel: A Choice of Futures)