HSV-X2 Swift flies at nearly 51 mph. Call her Swift. If only poor Ahab had commanded the HSV-X2 Swift instead of the Pequod, he might have turned Moby Dick into mincemeat. That much was obvious Friday afternoon when the Navy showed off the capabilities of the high-speed vessel that's serving as the command ship for the mine warfare fleet at Naval Station Ingleside. With the ability to travel at speeds up to nearly 50 knots, the Swift could have easily caught and overrun the fictional white whale. She could have even sped past him as she did to numerous skiffs,...