The <a href="https://en.wikipedia.org/wiki/NS_Savannah" id="mwAQo" rel="mw:WikiLink" title="NS Savannah">NS <i id="mwAQs">Savannah</i></a>, the world's first <a href="https://en.wikipedia.org/wiki/Nuclear_marine_propulsion" id="mwAQw" rel="mw:WikiLink" title="Nuclear marine propulsion">nuclear-powered</a> civilian ship, embarks on its maiden voyage.