Textron Marine & Land Systems, an operating unit of Textron Systems, a Textron Inc. (NYSE:TXT) company, and Granite Tactical Vehicles Inc., has won a contract to deliver 3 upgraded High Mobility Multipurpose Wheeled Vehicles (HMMWVs) to the United State Marine Corps Warfighting Lab for testing.   The upgraded HMMWVs are scheduled for delivery in March 2010 for ...