- 2 9 — each ▁carrying ▁a ▁Y ok os uka ▁E 1 4 Y 1 ▁" G len " ▁float plane ▁for ▁aer ial ▁reconna issance — sc out ed ▁various ▁Austral as ian ▁har b ours ▁to ▁select ▁the ▁ones ▁most ▁vulner able ▁to ▁attack ▁by ▁m idget ▁sub mar ines . ▁I - 2 1 ▁sc out ed ▁N ou mé a ▁in ▁New ▁C aled onia , ▁Su va ▁in ▁F iji , ▁then ▁A uck land ▁in ▁New ▁Zealand , ▁while ▁I - 2 9 ▁went ▁to ▁Sydney , ▁Australia . ▁ ▁On ▁ 1 1 ▁May , ▁I - 2 2 , ▁I - 2 4 , ▁I - 2 7 , ▁and ▁I - 2 8 ▁were ▁ordered ▁to ▁proceed ▁to ▁the ▁Japanese ▁naval ▁base ▁at ▁Tru k ▁L ago on , ▁in ▁the ▁Caroline ▁Islands , ▁to ▁each ▁receive ▁a ▁Ko - hy ote ki - class ▁m idget ▁sub marine . ▁I - 2 8 ▁failed ▁to ▁reach ▁Tru k ; ▁she ▁was ▁tor ped o ed ▁on ▁the ▁surface ▁by ▁the ▁US ▁sub marine ▁ ▁on ▁ 1 7 ▁May . ▁The ▁three ▁remaining ▁sub mar ines ▁left ▁Tru k ▁around ▁ 2 0 ▁May ▁for ▁a ▁point ▁south ▁of ▁the ▁Sol omon ▁Islands . ▁I - 2 4 ▁was ▁forced ▁to ▁return ▁a ▁day ▁later ▁when ▁an ▁explos ion ▁in ▁her ▁m idget ▁sub marine ' s ▁battery ▁compart ment ▁killed ▁the ▁m idget ' s ▁navig ator ▁and ▁injured ▁the ▁commander