The Astute-class are the largest, most advanced and most powerful attack submarines ever operated by the Royal Navy, combining world-leading sensors, .\r
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Ordered by the Ministry of Defense for service with the Royal Navy, the Astute class boat is an SSN .\r
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360p BAE Systems Maritime -- Submarines, known as BAE Systems Submarine Solutions until January 2012, is a wholly owned subsidiary of BAE Systems, .\r
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The United States Navy and the Royal Navy of the United Kingdom are the two most powerful Naval Forces in the world, they are both continuously deployed .
