The Missile Defense Agency is announcing the award of a competitive contract combining cost-plus-award-fee, cost-plus-incentive-fee, and fixed-price-incentive-fee, to Raytheon Company Integrated Defense Systems, Woburn, Massachusetts. The total value of this contract is estimated at $125,343,763. This contract also contains options, which, if exercised, will increase the cumulative contract value to $176,084,507. Under this contract, the contractor will upgrade the Early Warning Radar (EWR) at Clear Air Force Station (AFS), Alaska, with an option to upgrade the EWR at Cape Cod AFS, Massachusetts. This is a joint Missile Defense Agency/Air Force effort and will be funded by fiscal 2012 through 2017 Missile Defense Agency Research, Development, Test, and Evaluation (RDT&E) funds, and Air Force Other Procurement funds. The Missile Defense Agency, Huntsville, Alabama, is the contracting activity.