 Complete the following phrase:  After completing her refit on 26 April, Wild Swan joined the 1st Destroyer Flotilla based at Portsmouth. A shortage of escorts off West Africa resulted in Wild Swan being ordered to transfer to Freetown, Sierra Leone. Before she was due to sail for Africa, the sinking of the British battlecruiser by the in the Battle of the Denmark Strait, resulted in Wild Swan, together with and being ordered to stand by at Plymouth, ready to be sent to intercept the German Battleship or to escort the battleships and there was a chance that fuel shortages could force the Battleships destroyer escort to turn back, leaving them unprotected against submarine attack. 