The ACTUV is diesel-electric with a gas turbine booster "CODAG" (haven't you noticed the sound of it spooling up and down?) (grin)
The lower hull is almost all fuel. So it can go forever on the diesels, but eats fuel at high speed with the gas turbine.
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Roger "Frying Tiger" Long
Art Lead
Sonalysts Combat Simulations
"the atom-powered submarine: Her engines were to be a miracle of speed and power, her sides strong enough to withstand any blow... The mind of man had thought of everything - except that which was beyond his comprehension!"
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