Kongō-class ironclads
... that the two Kongō-class ironclads built in Britain had to be sailed to Japan in 1878 by hired crews, as the Imperial Japanese Navy lacked the necessary experience?
... that the two <b id="mwAxs"><a href="./Kongō-class_ironclad" id="mwAxw" rel="mw:WikiLink" title="Kongō-class ironclad"><i id="mwAx0">Kongō</i>-class ironclads</a></b> built in Britain had to be sailed to Japan in 1878 by hired crews, as the <a href="./Imperial_Japanese_Navy" id="mwAx4" rel="mw:WikiLink" title="Imperial Japanese Navy">Imperial Japanese Navy</a> lacked the necessary experience?