Luis García Márquez was the human chief engineer of the SS Xhosa serving under Kasidy Yates. In 2372, Yates ordered Luis to arm weapons when the IKS M'Char approached the Xhosa. (DS9 novelization: The Way of the Warrior) García Márquez was killed when the Xhosa was destroyed in a collision with a Tzenkethi starship soon after it left Deep Space 9. (ST - Typhon Pact novel: Raise the Dawn)