The defense community in Maryland is an R&D powerhouse.
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The invention is directed to an integrated stern bulb and flap for a water vessel, more particularly, a bulb having a main body section and a forebody section, the bulb positioned between first and second flap portions. The integrated stern bulb and flap provides improved power efficiency by reducing resistance at high speeds. The bulb of the integrated stern bulb and flap may be hollow, the interior being stowage space adding to the payload of the water vessel.