Lockheed Martin Corp., Lockheed Martin Aeronautics Co., Fort Worth, Texas, is awarded a cost-plus-incentive-fee, cost-plus-fixed-fee not-to-exceed $1,439,135,764 undefinitized contract. This contract provides for the continued development of critical F-35 warfighting capabilities, to include Electronic Warfare Band 2/5 Radar Warning Receiver, Modernized Countermeasure Controller, Multi-ship Infrared Search and Track Increment 2, and Beyond Line of Sight communications, as well as supports required training and combat data systems development for Lots 16 and 17 production aircraft for the Air Force, Navy, Marine Corps, Foreign Military Sales (FMS) customers, and non-Department of Defense (DOD) participants.