Raytheon Co., Integrated Defense Systems, Tewksbury , Mass., is being awarded an $8,976,435 modification to previously awarded contract (N00024-05-C-5346) for the non-recurring engineering effort to update selected Zumwalt Class Destroyer Mission Systems Equipment for initial integration efforts at Wallops Island, Va., and follow-on installation on board Navy's Self Defense Test Ship (SDTS) to mitigate production and integration risk and conduct at sea testing in support of the Zumwalt TEMP (test and evaluation master plan). The SDTS test will include the first missile firing with this advanced Mission System from a remote controlled shipagainst the most stressing targets available. The purpose of this effort is to initiate the non-recurring engineering work required to make the selected Mission System Equipment (Dual Band Radar SPY-3 Array and REX; MK57 Vertical Launch System Electronics Module Controller Unit; Canister Electronic Units, and Total Ship Computing Environment) compatible with the Navy's Self Defense Test Ship. Work will be performed in Portsmouth R.I. (55 percent), Tewksbury, Mass. (25 percent), Andover, Mass. (20 percent), and is expected to be completed by August 2009. Contract funds in the amount of $8,976,435 will expire at the end of the current fiscal year. The Naval Sea Systems Command, Washington, D.C., is the contracting activity.