Portmar
... that the merchant ship Portmar was a victim of both the first Japanese air attack and last Japanese submarine attack in Australian territory?
... that the merchant ship <b id="mwBrw"><a about="#mwt51" data-mw='{"parts":[{"template":{"target":{"wt":"SS","href":"./Template:SS"},"params":{"1":{"wt":"Portmar"},"2":{"wt":"1919"},"3":{"wt":"2"}},"i":0}}]}' href="./SS_Portmar_(1919)" id="mwBr0" rel="mw:WikiLink" title="SS Portmar (1919)" typeof="mw:Transclusion"><i>Portmar</i></a></b> was a victim of both the <a href="./Bombing_of_Darwin" id="mwBr4" rel="mw:WikiLink" title="Bombing of Darwin">first Japanese air attack</a> and <a href="./Convoy_GP55" id="mwBr8" rel="mw:WikiLink" title="Convoy GP55">last Japanese submarine attack</a> in Australian territory?