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.