▁ 9 . ▁ ▁Sub marine ▁I - 1 0 ' s ▁se ap lane ▁over f le w ▁Diego ▁Su are z ▁on ▁May ▁ 2 9 ▁after ▁the ▁Al lied ▁land ings . ▁As ▁a ▁result , ▁sub mar ines ▁I - 1 6 , ▁I - 1 8 , ▁and ▁I - 2 0 ▁were ▁ordered ▁by ▁I sh iz aki ▁to ▁use ▁their ▁m idget ▁sub mar ines ▁to ▁attack ▁the ▁ships ▁in ▁the ▁har bour . ▁HMS ▁Ram ill ies ▁and ▁the ▁tank er ▁British ▁Lo yal ty ▁were ▁dam aged ▁in ▁the ▁attack . ▁I - 2 0 ' s ▁m idget ▁sub marine ▁crew ▁of ▁Lieutenant ▁Sab uro ▁Ak ied a ▁and ▁Pet ty ▁Officer ▁Mas ami ▁Tak em oto ▁were ▁located ▁and ▁killed ▁in ▁a ▁fire f ight ▁with ▁a ▁Royal ▁mar ines ' ▁pat rol ▁on ▁the ▁island ▁near ▁An ij abe ; ▁I - 1 8 ' s ▁did ▁not ▁particip ate ▁in ▁the ▁attack ▁due ▁to ▁a ▁mal function , ▁and ▁I - 1 6 ''' s ▁m idget ▁sub ▁never ▁returned . ▁ ▁Also ▁in ▁May ▁I - 2 7 ▁under ▁Lieutenant ▁Commander ▁T . ▁F uk um ara ▁participated ▁in ▁the ▁un success ful ▁m idget ▁sub marine ▁ra id ▁on ▁Sydney . ▁Her ▁m idget ▁sub marine , ▁M - 1 4 , ▁was ▁lost ▁in ▁this ▁ra id . ▁ ▁Through ▁June ▁the ▁sub mar ines ▁focused ▁their ▁pat rol s ▁on ▁the ▁Moz amb ique ▁Channel ,