Takila Mak was a former Novachron sentinel who was stationed on Earth fifteen hundred years before the 24th century. (Star Trek: Defiant) The Novachrons are a race with long life spans related to the El-Aurians. After several hundred years, he gave up on being recalled and started doing things that he was not allowed to do by his people. He joined various Earth covert operations until Earth developed Warp drive. He then went adventuring throughout the galaxy earning a name for himself and enjoyed an independent lifestyle.