They do work? https://news.usni.org/2015/12/10/aegis-ashore-scores-in-first-intercept-test https://news.usni.org/2015/12/10/aegis-ashore-scores-in-firs... Why

They do work? https://news.usni.org/2015/12/10/aegis-ashore-scores-in-first-intercept-test https://news.usni.org/2015/12/10/aegis-ashore-scores-in-firs... Why would the Russians use it if it doesn't work?