 Complete the following phrase:  After rectification of defects found during the ships sea trials, Oakley sailed for Scapa Flow in the Orkneys on 22 June 1942, and took part in escorting a minelaying operation and in a diversion operation intended to distract German attentions from the Arctic Convoy PQ 17. After completion of these operations, Oakley completed working up her crew, becoming a part of the Orkney and Shetland Command, where her main duties consisted of escorting convoys to and from the Faroe Islands. In September 1942, the Royal Navy sailed the next major supply convoy to the Soviet Union, 