2009 Norwegian spiral anomaly
... that the 2009 Norwegian spiral anomaly was later confirmed to be a failed launch of a Bulava missile from a Russian submarine?
... that the <b id="mwDB4"><a href="./2009_Norwegian_spiral_anomaly" id="mwDB8" rel="mw:WikiLink" title="2009 Norwegian spiral anomaly">2009 Norwegian spiral anomaly</a></b> was later confirmed to be a failed launch of a <a class="mw-redirect" href="./Bulava_missile" id="mwDCA" rel="mw:WikiLink" title="Bulava missile">Bulava missile</a> from a Russian submarine?