Courses under the new structure were completed by 158 officers, 173 maritime graduates, 23 technical graduates and 12 administrative graduates. At the start of the Second World War in 1939 cadets and officers from Naval Cadets' School were taking an active part in county's defense, mainly in land formations. A month earlier, on August 24, some of the cadets, together with new candidates, who were receiving temporary training in Oksywie, Gdynia, were sent back to Bydgoszcz.