Northrop Grumman Expands Houston Operations, Looks to Local Businesses to Join Space Exploration Team “Northrop Grumman Corporation announced today that the U.S. Federal Trade Commission (FTC) has cleared Northrop Grumman’s proposed acquisition of Orbital ATK Inc. The FTC’s Bureau of Competition has completed its review of the merger, and the Premerger Notification Office has informed the company that the waiting period under the HSR Act has terminated, allowing the companies […]