Th'Clane joined the crew of the USS Enterprise circa 2271, after it had returned from its five-year mission under the command of Captain James T. Kirk. He was assigned to Security, and was considered by Security Chief Pavel Chekov to be one of his best hand-to-hand fighters. (TOS novel: Ex Machina; DTI - Department of Temporal Investigations novel: Forgotten History)
During his Starfleet career, th'Clane distinguished himself with great bravery. In honor of his accomplishments, Therin Park (Worlds of Deep Space Nine: Volume One: Andor: Paradigm), in the city of Laibok on Andor, was named after him, as was New Therin Park in the city of Lor'Vela. (TNG - Typhon Pact novel: Paths of Disharmony)
- This character was named for Star Trek and Andorian fan Ian McLean.