 Three weeks later, the German war hero Weddigen—now operating "U-9" off Aberdeen—torpedoed and sank , another British cruiser that was not zig-zagging in hostile waters.Weddigen was killed in March 1915 during a German raid in the Pentland Firth when his submarine——was intentionally rammed by the battleship .The remaining "Cressy" class ships were dispersed from the British Isles.