<a class="mw-redirect" href="https://en.wikipedia.org/wiki/Apollo_Program" id="mw4w" rel="mw:WikiLink" title="Apollo Program">Apollo Program</a>: <a href="https://en.wikipedia.org/wiki/Apollo_13" id="mw5A" rel="mw:WikiLink" title="Apollo 13">Apollo 13</a> is launched.