A high resolution image from a SM30 sonar of a ship's bow includes crucial details in the acoustic shadows that confirmed the wreck as the German sea rader Kormoran in this handout image taken on March 16, 2008. Australia's greatest military mystery was solved on Monday with wreck hunters locating Australian warship HMAS Sydney (II) sunk with all 645 crew in a fierce battle with a German sea raider more than 66 years ago. [Agencies]