El-Keshtanktil
The El-Keshtanktil was a Vulcan agency charged with rehabilitating criminals by showing them the true path of Vulcan logic.
In 2259, El-Keshtanktil agents T'Pring and K'Tyll traveled to Starbase 1 to apprehend Barjan T'Or, a v'tosh ka'tur. (SNW: "Spock Amok")
In 2259, the third moon of Omicron Lyrae was home to an El-Keshtanktil rehabilitation facility, Ankeshtan K'til. T'Pring and Stonn were stationed at this facility, while Sybok, under the alias "Xaverius", was confined there. (SNW: "The Serene Squall")