It is likely that Burnett , the navigator , and all of the Sydney 's senior officers were taken out on the first salvo , Rush said . Finding : Sydney 's crew , senior officers likely to have died in first salvo . Sinking of Sydney II and loss of crew of 645 was Australia 's worst naval disaster . German vessel , the Kormoran , was made to look like a cargo ship . Both ships went down ; more than 300 on board survived ; wreck discovered last night .
Finding : Sydney 's crew , senior officers likely to have died in first salvo . Sinking of Sydney II and loss of crew of 645 was Australia 's worst naval disaster . German vessel , the Kormoran , was made to look like a cargo ship . Both ships went down ; more than 300 on board survived ; wreck discovered last night .