CHARLOTTESVILLE, VA - June 18, 2004 - Northrop Grumman Corporation's (NYSE: NOC) Sperry Marine business unit has introduced its new-generation NAVIGAT X MK 2 digital gyrocompass system to provide a cost-effective solution that satisfies international carriage requirements for a type-approved marine gyrocompass.

The NAVIGAT X MK 2 gyrocompass is a compact, one-unit design that runs on a 24-volt power supply with two independent DC inputs. It provides five serial data outputs and one six-steps/degree output, and can drive up to four analogue repeaters. Based on the proven Sperry Marine NAVIGAT X MK 1 design, the new gyrocompass provides better than 40,000 hours mean time between failures. The system remains north-stabilized for up to three minutes in the event of a power interruption.

The NAVIGAT X MK 2 complies with International Maritime Organization (IMO) regulations A.424(XI) and A694(17) and the International Standards Organization (ISO) standard 8728, and is fully Wheelmark type-approved.

The introduction of this new gyrocompass completes the Sperry Marine range of heading sensors, which includes the NAVIGAT 2100 fiber-optic gyrocompass, NAVIGAT X MK 1 and NAVIGAT X MK 2 digital gyrocompasses and NAVISTAR I and NAVISTAR II satellite compasses.

Sperry Marine, with worldwide headquarters in Charlottesville, Va., and major engineering centers 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, Md., 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, +1 434 974 2656 or by e-mail, sales_commercial@sperry-marine.com. For military sales inquiries contact Sperry Marine by phone, +1 434 974 2134 or by e-mail, sales_military@sperry-marine.com. More information may be found on the Sperry Marine website at www.sperry-marine.com .

Sperry Marine's NAVIGAT X MK 2 Digital Gyrocompass System

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