it was announced that the ships would perpetuate the names Protecteur and Preserver. it was estimated that the two Canadian ships would cost C$2.6bn (~€1.75bn) to build, and a further C$4.5bn (~€3bn) to operate over 25 years. The keel of the first ship was laid down on 16 January 2020. Notes Citations References External links Berlin class data at Thyssenkrupp Marine Systems Auxiliary ships of Germany Auxiliary replenishment ship classes