Christopher Del Mastro, head of anti submarine warfare mobil targets at the Naval Undersea War Center, stands next to a mock up of their Manta Test Vehicle in Middletown, RI., Tuesday, July 31, 2012. ... more 
Christopher Del Mastro, head of anti submarine warfare mobil targets at the Naval Undersea War Center, stands next to a mock up of their Manta Test Vehicle 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) less 
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Associated Press | Photo By Stephan Savoia
Tue, Aug 7, 2012 2:34 AM EDT