 By August , each animal transport ship had a transport veterinarian and a permanent <unk> detachment to care for the animals while on board the ship . El Sol had also been joined by two of her sister ships , El Oriente and El <unk> in animal transport duty . She next departed Newport News on 23 August 1918 with 520 horses and mules on board . Upon arrival at Saint @-@ Nazaire on 19 September , El Sol delivered her complete load of animals ; none had died during the passage . After returning to the U.S. , El Sol departed again on 30 October with another 620 animals on board . <unk> in <unk> on 13 November — two days after the Armistice — she again delivered her full load of animals . 
