Northrop Grumman was formed in 1994 by the merger of Northrop and Grumman. Northrop is the world's fourth largest weapons manufacturer (2010 data), the world's largest naval shipbuilder and radar manufacturer, the company includes information services systems division, power systems division, aerospace division and shipbuilding division. Nog's Nog Shipyard, the world's largest private shipyard, is capable of building Nimitz-class aircraft carriers.