Our previous Canadian Mergers & Acquisitions roundups can be found here. Our previous global M&A roundups can be found here. Target: Orbital ATK, Inc. (NYSE:OA) Industry: Aerospace and Defense Acquirer: Northrop Grumman Corporation Target: Orbital ATK, Inc. Size: $9.3 billion Consideration: 100% Cash Source of Funds: Cash, Debt Sell Side Advisor: Citi Buy Side Advisor: