PASCAGOULA, Miss. (WXXV)- Ingalls Shipbuilding completed a successful Builder’s Sea Trial on Saturday for the Harrisburg. The Harrisburg is the first flight two ship in the San Antonio class. During those sea trials, Ingalls conducted a full suite of tests to verify the ship’s propulsion, steering, control systems, communications, mission systems, and combat systems. The Harrisburg returned to the shipyard...