It isn&#x27;t really a capital &#x27;X&#x27;.  It looks more like the stylized, more wide than tall, X of a spaceX landing pad.<p>Compare with this:<a href="http:&#x2F;&#x2F;i.space.com&#x2F;images&#x2F;i&#x2F;000&#x2F;045&#x2F;531&#x2F;i02&#x2F;spacex-rocket-landing-drone-ship.jpg?1423529560" rel="nofollow">http:&#x2F;&#x2F;i.space.com&#x2F;images&#x2F;i&#x2F;000&#x2F;045&#x2F;531&#x2F;i02&#x2F;spacex-rocket-la...</a>