By 
The Federal Trade Commission (FTC) on Tuesday evening approved the acquisition by Northrop Grumman [NOC] of Orbital ATK [OA] contingent on Northrop Grumman agreeing to operate its new solid rocket motor (SRM) business independently to avoid anticompetitive behavior.Northrop Grumman on Wednesday afternoon after the close of stock markets on the East Coast completed its $7.8 billion transaction for Orbital ATK.To enforce a firewall around the SRM business, which Northrop Grumman is getting through the acquisition, the Defense Department’s Undersecretary of…
