Calgary-based CDL Systems may be the most important defense contractor you never heard of. But Lockheed Martin (LMT -0.20%) sure knows CDL. In fact, as of a few days ago, Lockheed owns CDL -- and with it, Lockheed bought itself a key piece of the infrastructure that controls unmanned aerial vehicles flown by everyone from Boeing (BA -2.87%) to Textron (TXT -1.33%), and from AeroVironment (AVAV -0.20%) to Northrop Grumman (NOC -0.02%).
Why was Lockheed's CDL purchase such a smart buy? Listen in, as Fool contributor Rich Smith explains.
