 Complete the following phrase:  Gerard Callenburgh was also scuttled, but the Germans were able to salvage her. She was subsequently completed by Blohm  Voss, retaining most of the Dutch armament and equipment, and was commissioned as ZH1 on 11 October 1942. She spent most of her career on trials in the Baltic but was transferred to Western France via the English Channel in November 1943. She was one of the German ships sent to intercept the Operation Neptune invasion armada, but they were themselves 