sydney australia discover wreck first submarine coast papua new guinea authorities say thursday resolve one country old naval mysteries century submarine ae-1 first ally vessel sink world war one patrol german warships 1914 circumstances never establish australian navy several private body find final rest place vessel 35 crew 13th attempt defence minister marise payne tell media submarine disappearance tragedy fledgling nation payne say add small commemorative service hold aboard survey ship find wreck authorities try contact crew descendants hope do last couple days provide relief family descendants members say navy chief vice admiral timmy barrett add crew come australia britain new zealand authorities disclose wreck location except say find duke york islands governments australia papua new guinea say plan preserve site australia find wreck first ally submarine sink world war one