Finding : Sydney 's captain , 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 . The wreckage was n't found until last year , leading to decades of conspiracy theories about what actually happened . Comment: Both ships went down ; more than 300 on Kormoran survived ; wrecks found last year .
Finding : Sydney 's captain , 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 . Comment: Both ships went down ; more than 300 on Kormoran survived ; wrecks found last year .