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Old 05-31-12, 07:30 AM   #1
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Post New Stealth Sub Is Fully Networked, But Cut Off From the Outside World

Bandwidth on U.S. Navy submarines is practically a throwback to the era of Magic cards, Discmans, and the best Fresh Prince of Bel-Air episodes. To send and receive messages, the U.S. submarine fleet needs to rise to a depth shallow enough to raise periscopes and antennas. Aboard the USS Mississippi -- the Navy's newest sub, which gave Wired a four-day ride -- periscope depth is 60 feet. While there are exceptions to that rule, it sets up a basic tradeoff. To remain undetected and ready to complete their missions, submarine commanders have to be prepared for long periods of silence.



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