Raytheon Systems Co., Defense Systems Segment, Naval & Maritime Systems, Sudbury, Mass., is being awarded a $9,727,011 modification to a previously awarded firm-fixed-price contract to exercise an option for one set of SPY-1D(V) Aegis transmitter group high volt power supplies. Work will be performed in Sudbury, Mass., and Andover, Mass., and is expected to be completed by February 2005. Contract funds will expire at the end of the current fiscal year. The Naval Sea Systems Command, Washington, D.C., is the contracting activity.