Keogh Keogh was a Human male who served as a Starfleet captain and officer during the late - 24th century . History . In 2369 , Keogh as a captain , had a memorable encounter with Jadzia Dax . Both considered the other to be " arrogant ; " Keogh believing that the lieutenant did not give his captaincy proper respect , while Dax thought Keogh treated her like a child despite the fact she had lived eight lifetimes . Keogh did garnish enough respect for Dax upon their reunion the following year to suggest that she serve aboard a ship such as his though Dax was happy with her post on Deep Space 9 . In 2370 , Keogh was assigned the mission of rescuing Commander Benjamin Sisko , commanding officer of Deep Space 9 , who had been captured by the Jem ' Hadar , and to investigate the threat posed by the Dominion . Accompanied by the runabout s " Orinoco " and " Mekong " , the " Odyssey " traveled through the Bajoran wormhole where they engaged in battle with a number of Jem ' Hadar fighter s . Although their mission was a success and Sisko was rescued , Keogh and the rest of the " Odyssey " s crew were killed when a Jem ' Hadar vessel made a suicide run at the ship , in an effort to send a message as to exactly how dedicated they were to maintaining their dominant stance . ( ) Appendices . Background information . Keogh was played by veteran voice actor and recurring " Star Trek " guest star Alan Oppenheimer . The final script for gives the pronunciation of Keogh ' s name as " KEY - oe ( rhymes with " Leo " ) " , going on to describe him as " " a burly , no - nonsense officer . " " The decision to destroy the " Odyssey " and Keogh along with it was decided upon by " Deep Space Nine " production staff as a way of showing the Jem ' Hadar as particularly dangerous foes . " " We wanted to show the long - term fans how dangerous these guys were " " , recalled Robert Hewitt Wolfe . " " And it ' s my belief that had it been the " Enterprise " and not the " Odyssey " , and Picard rather than Keogh in command , that it still wouldn ' t have survived . Ron Moore may not agree , Patrick Stewart probably wouldn ' t , but it ' s my belief that Keogh had just as good a ship , just as good a crew , and he got smoked . " " ( " " , pp . 154 - 155 ) Keogh may have been named after , an Irish - American soldier who died at the Battle of the Little Bighorn . ( " Film and Television In - jokes " , p 220 ) Apocrypha . The novel " The Brave and the Bold , Book One " gives Keogh ' s first name as Declan ( with a nickname of " Deco " ) and provides an in - depth background of his character . According to the book , Keogh held the rank of lieutenant in 2346 , at which time he served on the as chief of security where he was known as something of a womanizer and party animal . When the " Lexington " plays host to a diplomatic conference with the Antedian s , Federation Ambassador Curzon Dax mistakenly walks in on Keogh and a female crewmember having sex . Embarrassed , and later angry when the crewmate subsequently shares a romantic encounter with Curzon , Keogh holds animosity towards Dax for years afterward . Following this , in 2348 , the " Lexington " travels to Altair VI to attend a presidential inauguration . Suffering a hangover after celebrating a crewmember ' s birthday the night before , Keogh has his assistant chief of security cover for him by beaming down to the planet . But when the assistant chief and the entire security contingent are then killed during a coup on the surface , Keogh begins to blame himself for being " young and stupid " , vowing to became a more serious officer . Keogh then briefly marries a woman whom he met in 2350 , though they become divorced sometime before 2370 . The novel also reveals that over the course of his career , Keogh has faced the Tzenkethi , Cardassian s , Romulan s , Tholian s , and other races in dangerous situations . It also states that the " Odyssey " was his first command , having been promoted to Captain some point prior to 2365 . While supporting a resettlement program on Bajor , Keogh , Kira Nerys , and Jadzia Dax were captured by the Bajoran terrorist Orta , but later rescued by the crew of Deep Space 9 . Keogh is also featured in the " Star Trek Customizable Card Game " .