Contrary to what its name implies, combat swimmers are found not only in the cool waters. If they ever see, because the act unnoticed is their domain. Whether on water, on land or in the air – no environment where they would not get along. Prerequisite for this is the ongoing training. Away from the coast, in the Brandenburg Lehnin, the local and urban warfare was on the practice schedule. An insight into the most secret operations of this special unit.