NEW YORK - L-3 Communications Holdings Inc., a maker of satellite and marine communication equipment, is buying defense contractor Titan Corp. for nearly $2 billion in a cash deal that will give it a major stake in servicing U.S. military and intelligence agencies. San Diego-based Titan is L-3's largest acquisition to date and will boost the company's ability to compete as a prime contractor for government business, coming at a time when spending on defense equipment and technology continues to grow. Frank Lanza, L-3's chief executive officer, said Friday that while L-3 and Titan operate in the same business segment,...