SMS S21
Country of origin
German Empire
ManufacturerSchichau-Werke
SMS S21 was a V1-class torpedo boat of the Imperial German Navy. The ship was built by Schichau-Werke, at their Elbing shipyard, completing in 1913. S21 served with the German High Seas Fleet during the First World War, and sank following a collision with the cruiser Hamburg on 21 April 1915.






