Jason Talltree was a male Human in Starfleet in the 24th century. As of the 2370s decade, he held the rank of lieutenant, and served as chief of security and tactical officer of the Federation starship USS Odyssey. (DS9 - The Brave and the Bold, Book One novella: The Second Artifact) He perished in the year 2370 during the Odyssey's confrontation with the Jem'Hadar. (DS9 episode: "The Jem'Hadar")