Nine additional Surface Electronic Warfare Improvement Program (SEWIP) Block 3 electronic attack (EA) systems,

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The US Navy has awarded Northrop Grumman a $334.4 million contract modification for installation on nuclear-powered aircraft carriers.

Northrop Grumman to deliver first SEWIP Block 3 system for CVN under contract modification - Naval News

The US Navy has awarded Northrop Grumman a $334.4 million contract modification to produce up to nine additional Surface Electronic Warfare Improvement Program (SEWIP) Block 3 electronic attack (EA) systems, including the first shipset for installation on a nuclear-powered aircraft carrier (CVN).

www.navalnews.com