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A fuel cell technology used on allied submarines for more than a decade is available for use by the U.S. Navy for its larger unmanned underwater vehicles (UUVs) in development and as a backup propulsion sources for nuclear attack and ballistic missile submarines, according to an official with Siemens Government Technology. The polymer electrolyte membrane (PEM) fuel cells don’t require a submarine or UUV to surface, they operate quietly, and can be strung together to match power requirements for a…
