Kratos Defense & Security Solutions' unmanned systems business, buoyed by several new contracts, is set to double its sales over the next two years, according to the company's chief. Last year, the unmanned systems business reported annual sales of $66 million, down from the $82 million it recorded in 2014. Eric DeMarco, the company's chief executive, told Inside Defense last week he expects that figure to hit about $140 million in two years -- based on work already under...