They do work? 
<a href="https:&#x2F;&#x2F;news.usni.org&#x2F;2015&#x2F;12&#x2F;10&#x2F;aegis-ashore-scores-in-first-intercept-test" rel="nofollow">https:&#x2F;&#x2F;news.usni.org&#x2F;2015&#x2F;12&#x2F;10&#x2F;aegis-ashore-scores-in-firs...</a><p>Why would the Russians use it if it doesn&#x27;t work?