The Boeing Co., St. Louis, Missouri, is being awarded a $22,311,055 modification to a previously awarded firm-fixed-price contract to exercise an option for the procurement of 13 Harpoon lll-up round tactical missiles and seven Harpoon air launch missile containers for the government of Saudi Arabia under the Foreign Military Sales program.  Work will be performed in the St. Louis, Missouri, and is expected to be completed in December 2015.  Foreign military sales funds in the amount of $22,311,055 will be obligated at time of 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.