Modern Engineering Marvels on MSN
Sweden’s 'Ghost' sub: The silent diesel boat built for the Baltic
The Baltic is not a problem set of an open ocean. It is superficial, congested, noisy, and filled with spots where the sonar ...
Interesting Engineering on MSN
$9 billion ghost ship: The destroyer that terrifies China
The Zumwalt-class destroyer is the largest and most advanced surface combatant in the U.S. Navy, designed with stealth, ...
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