Northrop Grumman Honors Late Employees With Donation to USS Thresher Submarine Memorial

CHARLOTTESVILLE, Va., April 26, 2013 /PRNewswire/ -- Northrop Grumman Corporation (NYSE: NOC) has donated $5,000 toward construction of a memorial to the Navy submarine USS Thresher (SSN 593) in memory of two employees who perished when the Thresher sank in the Atlantic Ocean 50 years...