Huntington Ingalls Industries (NYSE:HII) said that its Newport News Shipbuilding (NNS) division has received a $43.4 million modification to a previously awarded contract from the U.S. Navy for purchase of materials for the construction of the aircraft carrier John F. Kennedy (CVN 79), the second ship in the Navy's newest class of carriers. The funds awarded to NNS will be used to purchase major, long-lead-time equipment, such as the ship's elevator machinery and large pumps.