The Type 722 Wangerooge-class tugs are a series of ocean-going tugboats that are used for rescue and salvage operation by the German Navy. They are also used for towing targets and retrieving training torpedoes. Survival training for aircraft crews are also carried out with them. List of ships The ships are named after East Frisian Islands. Gallery References Seeschlepper WANGEROOGE-Klasse (in German) - Marine (official homepage of the German Navy) Auxiliary ships of Germany Tugboats of Germany Auxiliary tugboat classes Auxiliary ships of the German Navy