I wish to have no connection with any ship that does not sail fast; for I intend to go in harm’s way,” reads the quote from the larger-than-life father of the U.S. Navy, John Paul Jones, which is posted above a stairway leading to the mess deck on the USS Independence. On a clear, calm day in late March, on only the ship’s fifth full day at sea, the crew saw how fast the Navy’s second Littoral Combat Ship (LCS-2), designed by General Dynamics, could go. In the blue waters far off Florida during its maiden voyage from Key West...