▁presented ▁with ▁sand ▁taken ▁from ▁the ▁se ab ed ▁around ▁the ▁sub marine . ▁ ▁In ▁May ▁ 2 0 1 2 , ▁the ▁NS W ▁state ▁government ▁announced ▁that , ▁with ▁the ▁appro val ▁of ▁the ▁Japanese ▁government ▁and ▁the ▁sub mar in ers ' ▁families , ▁divers ▁would ▁be ▁allowed ▁to ▁observe ▁the ▁M - 2 4 '' ▁w reck ▁for ▁a ▁short ▁period ▁of ▁time . ▁D ivers ▁would ▁enter ▁a ▁ball ot ▁for ▁places ▁on ▁controlled ▁div es ▁run ▁on ▁several ▁days . ▁If ▁successful , ▁opening ▁the ▁site ▁would ▁become ▁an ▁annual ▁event ▁to ▁comm emor ate ▁the ▁attack . ▁ ▁See ▁also ▁▁▁ ▁Air ▁ra ids ▁on ▁Australia , ▁ 1 9 4 2 – 4 3 ▁ ▁Military ▁history ▁of ▁Australia ▁during ▁World ▁War ▁II ▁ ▁Foot notes ▁ ▁Notes ▁ ▁References ▁ ▁External ▁links ▁ ▁Australia ' s ▁War ▁ 1 9 3 9 – 1 9 4 5 : ▁Australia ▁Att ack ed ▁– ▁Sydney ▁Har bour ▁Over view ▁of ▁the ▁events . ▁In cludes ▁an ▁animation ▁showing ▁the ▁events ▁immediately ▁prior ▁to ▁and ▁during ▁the ▁attack . ▁M idget ▁Sub mar ines ▁at ▁Sydney , ▁Australia ▁ 1 9 4 2 ▁at ▁Com b ined f le et . com . ▁ ▁Att ack ▁on ▁Sydney ▁Har bour ▁Att ack ▁on ▁Sydney ▁Har bour ▁Category : Sub marine ▁war fare ▁in ▁World ▁War ▁II ▁Category : Conf lic ts ▁in ▁ 1 9 4 2 ▁Att ack ▁on ▁Sydney ▁Har bour ▁Category :