FILE PHOTO: A General Dynamics sign is shown at the International Association of Chiefs of Police conference in San Diego, California, U.S. October 17, 2016. REUTERS/Mike Blake/File Photo GLOBAL BUSINESS WEEK AHEAD

WASHINGTON (Reuters) - General Dynamics Corp GD.N has been awarded a $732 million U.S. defense contract for sustainment of the Mobile User Objective System ground system, a narrowband military satellite communications system, the Pentagon said on Friday.