 In June 2009, she took part in exercise Bersama Shield with HMS "Ocean" and HMS "Somerset" off the Malay Peninsula.During February 2010, "Wave Ruler" and the destroyer HMS "York" were deployed to the Falkland Islands during a period of increased tension between the United Kingdom and Argentina over the former's plans to begin drilling for oil in the seas surrounding the islands.While in the South Atlantic, "Wave Ruler" took part in the rescue of an I-Kiribati sailor who was taken seriously ill, refuelling an RAF 1564 Search and Rescue Flight Sea King helicopter while in flight.