German Type IXA submarines
... that two of the eight German Type IXA submarines, U-37 and U-38, were to eventually become the 6th and 10th most successful U-boats in World War II?
... that two of the eight <b id="mwDCU"><a href="./German_Type_IXA_submarine" id="mwDCY" rel="mw:WikiLink" title="German Type IXA submarine">German Type IXA submarines</a></b>, <i id="mwDCc"><a href="./German_submarine_U-37_(1938)" id="mwDCg" rel="mw:WikiLink" title="German submarine U-37 (1938)">U-37</a></i> and <i id="mwDCk"><a href="./German_submarine_U-38_(1938)" id="mwDCo" rel="mw:WikiLink" title="German submarine U-38 (1938)">U-38</a></i>, were to eventually become the 6th and 10th most successful <a href="./U-boat" id="mwDCs" rel="mw:WikiLink" title="U-boat">U-boats</a> in World War<span id="mwDCw" typeof="mw:Entity"> </span>II?