Northrop Grumman Corporation (NYSE: NOC) has been awarded a contract by the Naval Sea Systems Command to supply navigation radar sets and associated systems engineering for 10 U.S. Navy submarines.

The company's Sperry Marine business unit will deliver AN/BPS-16 (V) 4 navigation radar sets for six Virginia-class attack submarines and four guided-missile submarines. Deliveries will begin in late 2005 and continue through 2010 if all options are exercised.

The contract includes development of automatic radar-plotting aid software for the Virginia-class submarines and an upgrade of the Voyage Management System, which provides integrated navigation capability and complies with the Chief of Naval Operations' directive for conversion of all U.S. Navy vessels to electronic charts.

The contract is valued at $13.3 million for the base year and a total of $11.4 million for four option years.

Sperry Marine, with worldwide headquarters in Charlottesville, Va., and major engineering and support offices in New Malden, U.K., and Hamburg, Germany, is part of Northrop Grumman's Electronic Systems sector. Sperry Marine 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.

Headquartered in Baltimore, Northrop Grumman Electronic Systems is a world leader in the design, development and manufacture of defense and commercial electronic systems including airborne radar, navigation systems, electronic countermeasures, precision weapons, airspace management systems, communications systems, space sensors, marine and naval systems, government systems and logistics services.

For commercial sales inquiries, contact Sperry Marine by phone at +1 434-974-2656 or by e-mail at sales_commercial@sperry-marine.com. For military sales inquiries, call +1 434-974-2134 or e-mail sales_military@sperry-marine.com. Visit our web site at www.sperry-marine.com.