CHARLOTTESVILLE, Va., Aug. 10, 2006 (PRIMEZONE) -- Northrop Grumman Corporation's (NYSE:NOC) Sperry Marine business unit continues to expand its order book for integrated bridge systems (IBSs) with contracts for four new ships to be built in Turkey.

Sperry Marine will supply the complete suite of electronic navigation and communication systems for the four 3,600 deadweight ton specialty tankers, which will be constructed at the Yardimci shipyard for Danish shipowner, The Clipper Group. This is a follow-on contract for two similar ships built last year.

The scope of supply will encompass the complete IBS, including X- and S-Band BridgeMaster E radars, adaptive autopilot, gyro and magnetic compasses, Doppler speed log and electronic chart display and information system running on Sperry Marine's proprietary Voyage Management System software. It will also include a communications suite in compliance with the Global Maritime Distress and Safety System requirements.

The Clipper Group ships contracts are the latest in a string of IBS orders for Sperry Marine from Turkish shipyards. Last year, Sperry Marine had more than 14 orders for new builds in Turkey.

Sperry Marine, headquartered in Charlottesville, Va., and with major engineering and support offices in New Malden, United Kingdom and Hamburg, Germany, provides smart navigation and ship control solutions for the international marine industry with customer service and support through offices in 16 countries, sales representatives in 47 countries and authorized service depots in more than 250 locations worldwide.

Northrop Grumman Corporation is a global defense company headquartered in Los Angeles, Calif. Northrop Grumman provides technologically advanced, innovative products, services and solutions in systems integration, defense electronics, information technology, advanced aircraft, shipbuilding and space technology. With more than 120,000 employees and operations in all 50 states and 25 countries, Northrop Grumman serves U.S. and international military, government and commercial customers.

For commercial sales inquiries, contact Northrop Grumman Sperry Marine by phone, +1 (434) 974-2656 or by e-mail, sales_commercial@sperry.ngc.com. For military sales inquiries, call +1 (434) 974-2134 or e-mail sales_military@sperry.ngc.com. Visit our Web site at www.sperrymarine.northropgrumman.com .

  CONTACT:  Jim Rhodes 
          (757) 451-0602
          jrhodes@rhodescomm.com   

          Tom Delaney 
          Northrop Grumman Electronic Systems 
          (410) 993-6454 
          Thomas.delaney@ngc.com