Folke
... that the Swedish monitor Folke was designed opposite of her sister ships, with a gun turret at the stern, so that she could protect them during a retreat?
... that the Swedish <a href="./Monitor_(warship)" id="mwDfY" rel="mw:WikiLink" title="Monitor (warship)">monitor</a> <b id="mwDfc"><a about="#mwt55" class="mw-redirect" data-mw='{"parts":[{"template":{"target":{"wt":"HMS","href":"./Template:HMS"},"params":{"1":{"wt":"Folke"},"2":{"wt":""},"3":{"wt":"2"}},"i":0}}]}' href="./HMS_Folke" id="mwDfg" rel="mw:WikiLink" title="HMS Folke" typeof="mw:Transclusion"><i>Folke</i></a></b> was designed opposite of her <a href="./Sister_ship" id="mwDfk" rel="mw:WikiLink" title="Sister ship">sister ships</a>, with a <a href="./Gun_turret" id="mwDfo" rel="mw:WikiLink" title="Gun turret">gun turret</a> at the stern, so that she could protect them during a retreat?