<a href="https://en.wikipedia.org/wiki/Operation_Banner" id="mwAS4" rel="mw:WikiLink" title="Operation Banner">Operation Banner</a>, the presence of the British Army in <a href="https://en.wikipedia.org/wiki/Northern_Ireland" id="mwAS8" rel="mw:WikiLink" title="Northern Ireland">Northern Ireland</a>, and the longest-running British Army operation ever, comes to an end.