The Boeing Co., St. Louis, Missouri, is being awarded a not-to-exceed $8,800,000 modification to a previously awarded firm-fixed-price contract (N00019-16-C-0006).  This modification provides for development and implementation associated with engineering change proposal 4204 upgrade software for coastal target suppression and resolution to HARPOON Block II short range deficiency for the government of Saudi Arabia under the Foreign Military Sales program.  Work will be performed in Saint Charles, Missouri (92 percent); Saudi Arabia (7 percent); and Fort Worth, Texas (1 percent), and is expected to be completed in March 2019.  Foreign military sales funds in the amount of $4,304,601 are being obligated on this award, none of which will expire at the end of the current fiscal year.  The Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.