Dallon

Dallon was a Trill Starfleet officer stationed aboard the USS Ellesmere (NCC-21464) in early 2339. Around stardate 16284, Dallon began a standard duty shift at the Ellesmere 's helm station, replacing a Romulan spy posing as a Vulcan crew member. The spy was responsible for altering the Ellesmere 's course, causing it to cross into the Romulan Neutral Zone. This was initially believed to be a navigational error, which Dallon blamed on himself as incompetence or inattention. Though it was later discovered by the crew of the USS Tempest (NCC-10535) that it was an intentional event precipitated by the Romulan spy. In reality, Dallon's dilligence caused him to notice their situation earlier than the spy had intended, ultimately forcing the Romulans' hand.

Dallon was an unjoined Trill, meaning that the humanoid individual did not carry a symbiotic creature inside of him that included the memories of its previous hosts. Though this distinction was unknown to most non-Trills at the time.