This notice serves as a combined pre-solicitation notice/procurement synopsis for the Advanced Medium Air-to-Air Missile (AMRAAM) Air Intercept Missile (AIM)-120C-3 through AIM-120C-7 Counter Advanced Electronic Attack (EA) Risk Reduction/Concept Refinement (RR/CR). The 328th Air Armament Systems Group (ARSG) plans to award a Sole Source Cost-Plus-Fixed-Fee contract with Raytheon Missile Systems Company to perform advanced RR/CR for the AIM-120C-3 through C-7. This effort requires access to Raytheon Company Proprietary data, existing test equipment and production facilities. The period of performance is seventeen (17) months. As the AMRAAM is in current production the 328th ARSG will be unable to provide government property/government special tooling/special test equipment/technical data package to any prospective new source. Therefore, the fulfillment of the supplies/services listed above requires substantial initial investment and an extended period of preparation. This acquisition is contemplated sole source under authority of the Federal Acquisition Regulation (FAR) 6.32-1 (a)(2)(ii), Only One Responsible Source and No Other Supplies or Services will Satisfy Agency Requirements (10 U.S.C. 2304 (c)(1)), to Raytheon Missile Systems Company, 1151 East Hermans Road, Tucson, AZ 85706-9367. The date for response to this synopsis is forty-five (45) days after the date of this synopsis publication. Facsimile responses or requests to the Contracting Officer at (850) 883-0559 are authorized if you call and verify receipt. Communication regarding this acquisition should be directed to Amy M. Wiggins, Contracting Officer at (850) 883-0309 or Jason C. Heddy, Contract Specialist at (850) 883-0297, 696th Air Armament System Squadron (ARSS), 207 West D. Ave, Suite 622, Eglin AFB, FL 32542-6844. See Note 22 and 26***