U.S.

Associated Press
Christopher Egan, an unmanned systems customer advocate, stands near a pair of unmanned underwater vehicles (UUV) in a lab at the Naval Undersea War Center in Middletown, RI., Tuesday, July 31, 2012.  Narragansett Bay is the testing ground for the Naval Undersea Warfare Center where the Navy is working toward its goal of achieving a squadron of self-driven, undersea vehicles. (AP Photo/Stephan Savoia)

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