The defense industrial base—the hundreds of companies that supply the Pentagon with everything from new fighter jets and satellites to magnets and ball bearings—is being actively targeted in cyberspace by China and other adversaries, the head of U.S. Cyber Command warned June 25. 
L3Harris announced plans Dec. 18 to acquire Aerojet Rocketdyne, the only U.S. maker of certain propulsion components for several key American military and space assets for $4.7 billion. The deal, which requires final approval from the Federal Trade Commission, would secure L3Harris as one of ...