Raytheon Missile Systems Co., Tucson, Ariz., is being awarded an $8,315,500 modification to a previously awarded firm-fixed-price contract to exercise an option for 100 High-Speed Anti-Radiation Missile (HARM) Command Launch Computer (CLC) systems in support of F/A-18E/F and EA-18G platforms. Work will be performed in Tucson, Ariz., and is expected to be completed in September 2009. Contract funds will not expire at the end of the current fiscal year. The Naval Air Warfare Center Aircraft Division, Patuxent River, Md., is the contracting activity.