The Missile Defense Agency is announcing the award of a contract modification (P00009) to Raytheon Missile Systems, Tucson, Ariz., under the HQ0276-11-C-0002 contract. The total value of this modification including all options is $394,464,055, increasing the total contract value from $294,502,270 to $688,966,325. Under this modification, the contractor will provide SM-3 design and engineering, in service engineering support, production engineering and obsolescence, surveillance and flight test support, and transition to production. The work will be performed in Tucson, Ariz. The performance period is from date of award through Sept. 30, 2015. Fiscal 2011 and 2012 research, development, test and evaluation funds will be used to incrementally fund this initial effort. Contract funds will not expire at the end of the current fiscal year. This is not a Foreign Military Sales acquisition. The Missile Defense Agency, Dahlgren, Va., is the contracting activity. Raytheon Company received a $122.5 million contract from the U.S. Missile Defense Agency for continued development of Standard Missile-3 Block IA and IB programs. Under this modification, Raytheon will provide SM-3 design and engineering, in service engineering support, production engineering, surveillance and flight test support, and transition to production. The contract was announced Dec. 22 by the Department of Defense.