Question

This vehicle produced an anomalous harmonic sound that Jonesy attempted to analyze with the signal algorithmic (15[1])processing system, or SAPS (“saps”). While looking at photographs of this vehicle, Skip Tyler deduced from an unusual pair of symmetric doors that it was using a tunnel drive system with multiple (15[1])impellers. This vehicle was presumed destroyed after a similar-looking one called the Ethan Allen was blown up in a deception operation. An innovative pump-jet propulsion system used by this vehicle, nicknamed the (*) “caterpillar drive”, was reverse-engineered when it safely arrived at Norfolk base. This Typhoon-class vehicle, captained by Marko Ramius, was designed to be almost completely invisible to sonar. For 10 points, Jack Ryan helped (10[1])the U.S. government (10[1])retrieve what Russian nuclear submarine? ■END■

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