Holland 5
... that the experimental Holland 5 was one of the first two submarines to be accepted into Royal Navy service, but was already considered obsolete?
... that the experimental <i id="mwA7E"><b id="mwA7I"><a href="./HMS_Holland_5" id="mwA7M" rel="mw:WikiLink" title="HMS Holland 5">Holland<span id="mwA7Q" typeof="mw:Entity"> </span>5</a></b></i> was one of the first two submarines to be accepted into <a href="./Royal_Navy_Submarine_Service" id="mwA7U" rel="mw:WikiLink" title="Royal Navy Submarine Service">Royal Navy service</a>, but was already considered obsolete?