Cardassian doctor Midzour Hetalc holds the rank of dalin and serves as chief medical officer aboard the CUW Sherouk. Hetalc is particularly honored for his age seniority, as well as his deep specialist's knowledge in the field of Cardassian neurology. (Star Trek: Sigils and Unions) In the Star Trek: Sigils and Unions continuity, this rank places Hetalc directly under the ship's XO and chief engineer in seniority.