Raytheon Missile Systems, Tucson, Arizona, is being awarded a $43,991,627 modification to a previously awarded cost-plus-fixed-fee contract (N00019-12-C-2002) for the design, development, and engineering analysis of the AIM-9X Block II Missile System for the U.S. Navy, U.S. Air Force, and the governments of Turkey, Oman, Belgium, Netherlands, Singapore, Malaysia, and Morocco. This modification includes the necessary replacements for the AIM-9X Control Actuation System, inertial measurement unit, electronics unit processor and improvements in insensitive munitions performance in the hardware development and Operational Flight Software versions 9.4X, 9.15X and 10.X. Work will be performed in Tucson, Arizona (91.6 percent); Minneapolis, Minnesota (6.5 percent); Pinellas Park, Florida (1.3 percent); and Andover, Massachusetts (0.6 percent), and is expected to be completed in July 2015. Fiscal 2014 research, development, test and evaluation (Navy and Air Force) funds and Foreign Military Sales funds in the amount of $22,092,354, will be obligated at time of award, none of which will expire at the end of the current fiscal year. This contract combines purchases for the U.S. Air Force ($23,620,000; 53.7 percent); U.S. Navy ($8,155,233; 18.5 percent); and the governments of Turkey ($4,095,000; 9.3 percent); Oman ($2,590,000; 5.9 percent); Belgium ($2,100,000; 4.8 percent); Netherlands ($1,680,000; 3.8 percent); Singapore ($980,000; 2.2 percent); Malaysia ($701,394; 1.6 percent); and Morocco ($70,000; 0.2 percent) under the Foreign Military Sales Act. The Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.