Deluka was a Human male serving in Starfleet in the 24th century. By the 2370s, Deluka held the rank of captain and served as commanding officer of the USS McAuliffe. In 2371, when the McAuliffe docked at Deep Space 9, Captain Deluka granted Benjamin Sisko and Jake Sisko permission to use the holodeck of the starship. (DS9 - Special comic: "Frozen Boyhood")