sentences:  It was eventually decided to take the risk and on 25 June 1941, the light cruiser and the destroyers , and , were despatched from Scapa Flow to capture the codebooks from "Lauenburg", another weather ship operating north of Iceland, which Hinsley had selected.At around 7pm on 28 June, a lookout aboard "Tartar" sighted "Lauenburg" off Jan Mayen which opened fire.