Raytheon Co., Integrated Defense Systems, Woburn, Mass., is being awarded a contract modification (P00010) under indefinite-delivery/indefinite-quantity contract HQ0147-12-D-0005. The value of this contract modification is $402,880,000, increasing the total ceiling value from $307,580,000 to $710,460,000. Under this modification, the contractor will continue software maintenance, models and simulations, engineering support and Ballistic Missile Defense System test planning, execution and analysis for X-Band radars. This modification will also include software development. The Missile Defense Agency, Huntsville, Ala., is the contracting activity.