More than two years after being purchased by a private-equity firm, LGS Innovations has significantly ramped up its research and development work, the company's chief executive said last month. Kevin Kelly, who has led LGS since 2012, said the company's investors have been a "game changer," allowing the company to invest in research projects and pursue acquisitions. Those steps, he said, are helping to differentiate LGS as a technology-focused contractor. LGS was previously a subsidiary of telecommunications business Alcatel-Lucent, formed...