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Monday, November 17, 2008

Periscope Pursuit

New Breed of U.S. Navy Radars Would Reveal Stealthy Subs

Trying to spot a submarine periscope lurking in cluttered coastal waters is akin to identifying a floating beer can from 60 miles away. That's the challenge the U.S. Navy faces as it tries to track a growing fleet of modern diesel-electric submarines.

The Pentagon plans to do this by improving existing radars with new signal processing software and by rotating the radar antennas faster inside their radomes.

The Navy is moving forward to develop Automatic Radar Periscope Detection and Discrimination (ARPDD) radars for Nimitz-class aircraft carriers and anti-submarine MH-60R Seahawk helicopters.

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