9 8 0 s ▁due ▁to ▁heavy ▁v andal ism ; ▁on ▁one ▁occasion ▁in ▁ 1 9 6 6 , ▁a ▁group ▁of ▁university ▁students ▁painted ▁it ▁bright ▁yellow ▁in ▁response ▁to ▁The ▁Beat les ' ▁song ▁Y ellow ▁Sub marine . ▁The ▁composite ▁sub marine ▁was ▁restored ▁and ▁remains ▁on ▁display ▁inside ▁the ▁Memorial ▁as ▁part ▁of ▁a ▁permanent ▁exhibition ▁on ▁the ▁attack , ▁next ▁to ▁the ▁recovered ▁wheel house ▁of ▁H MA S ▁K ut tab ul .' ▁The ▁con ning ▁tower ▁from ▁M - 2 1 ▁is ▁on ▁display ▁at ▁the ▁Royal ▁Australian ▁Navy ▁Heritage ▁Centre ▁on ▁Garden ▁Island . ▁Le f to ver ▁material ▁from ▁M - 2 1 ▁was ▁m elt ed ▁down ▁and ▁made ▁into ▁sou ven irs ▁following ▁the ▁construction ▁of ▁the ▁combined ▁vessel . ▁ ▁M - 2 4 ▁ ▁Over ▁the ▁ 6 4 ▁years ▁following ▁the ▁disapp earance ▁of ▁M - 2 4 ▁after ▁the ▁attacks , ▁more ▁than ▁ 5 0 ▁people ▁approached ▁the ▁Royal ▁Australian ▁Navy ▁claim ing ▁to ▁have ▁found ▁the ▁sub marine . ▁All ▁of ▁these ▁claims ▁were ▁found ▁to ▁be ▁false . ▁One ▁early ▁theory ▁about ▁the ▁m idget ' s ▁fate ▁was ▁that ▁it ▁was ▁dam aged ▁or ▁destroyed , ▁along ▁with ▁M - 2 1 , ▁in ▁or ▁around ▁T ay l ors ▁Bay , ▁which ▁would ▁account ▁for ▁reports ▁from ▁Ste ady ▁H our ▁and ▁Y ar rom a ▁of ▁multiple ▁sub mar ines ▁during ▁their ▁three - hour ▁attack ▁against ▁M - 2