In this Thursday, Dec. 15, 2016, file photo, the Orbital ATK L-1011 aircraft lifts off from Cape Canaveral Air Force Station, Fla. Northrop Grumman is buying aerospace and defense technology company Orbital ATK for about $7.8 billion as activity in the sector heats up along with global tensions, announced Monday, Sept. 18, 2017. (Craig Bailey/Florida Today via AP)
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