sentences:  "Turunmaa" was built in Helsinki for the Imperial Russian Navy but was taken over by Finnish troops in the Finnish Civil War.The ship was used as a training ship for Finnish sea cadets during peacetime and was nicknamed as "Surunmaa" (land of sorrow).In the second half of 1919, "Turunmaa", amongst other Finnish naval vessels, was tasked with security and patrol duties in the Koivisto region where the British naval detachment was located.