Badge of the Irish Naval Service.
<b><a href="//commons.wikimedia.org/wiki/User:Fry1989" title="User:Fry1989"><span style="color:#003384;">Fry1989</span></a></b> and <a href="//commons.wikimedia.org/wiki/User:Setanta_Saki" title="User:Setanta Saki">Setanta Saki</a>
Defence Forces Information Handbook