The UC IIs had gained their reputation by sinking more than 1,800 Allied and neutral vessels. German engineers did not miss the chance of expanding the potential of this capable design by incorporating some of its features into a new submersible torpedo boat.
The UC IIs became infamous for their success in sinking over 1,800 Allied and neutral vessels. German engineers seized the opportunity to enhance the UC IIs' potential by incorporating some of its key features into a new submersible torpedo boat.