- The graduation year is the same as that of James T. Kirk.
Captain Clark Terrell commanded USS Reliant during its search, in 2285, for an appropriate planetary body on which to test the Genesis device. In the Ceti Alpha system, Reliant's scans found a planet that seemed suitable -- until they found it was a former class-M world whose orbit had changed, resulting in the extinction of all higher forms of life. Ceti Alpha V was also where James T. Kirk had exiled the surviving Augments -- including Khan Noonien Singh -- from the SS Botany Bay in 2267. (TOS: "Space Seed")
- USS Terrell (NCC-2864), a frigate based on the Excelsior primary hull, entered Starfleet service in the late 2280s or early 2290s. (Kitbashed Starships: USS Terrell (NCC-2864))
- The Decker-class destroyer USS Clark Terrell (NCC-6006) was named after Terrell and commissioned on reference stardate 2/7602 (circa 2234). (FASA RPG: Star Trek: The Next Generation Officer's Manual)