Caption: - The U.S. Navy has awarded Northrop Grumman Shipbuilding-Newport News a $635 million contract for engineering, design and modernization support of new construction, operational and decommissioning submarines for both the Los Angeles-class and Seawolf-class submarines. Pictured: USS Cheyenne (SSN 773) is the last submarine of the Los Angeles-class built by Northrop Grumman Shipbuilding. Photo by John Whalen
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