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Photo by: Robert F. Bukaty

The first-in-class Zumwalt, the largest U.S. Navy destroyer ever built, floats off a submerged dry dock in the Kennebec River, Monday, Oct. 28, 2013, in Bath, Maine. Unlike warships with towering radar- and antenna-laden superstructures, the Zumwalt will ride low to the water to minimize its radar signature, making it stealthier than others. (AP Photo/Robert F. Bukaty)

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