The Boeing Co., St. Louis, Missouri, was awarded a $1,170,768,698 undefinitized modification (P00001) to a firm-fixed-price order (N0001922F0030) against a previously issued basic ordering agreement (N0001921G0006). This modification procures 400 RGM-84L-4 Harpoon Block II Update (HIIU) Grade B canister tactical missiles, four RTM-84L-4 Block II HIIU Grade B canister exercise missiles, 411 containers, four blast test vehicles, two Harpoon Weapon System (HWS) Joint Common Test Sets (JCTS), Harpoon Coastal Defense System (HCDS) spares, weapon station support equipment, JCTS spares, missile spares, HCDS training equipment, integrated logistics support and technical publications, field service representatives and training. Work will be performed in McKinney, Texas (24.43%); Pontiac, Michigan (12.93%); Annapolis, Maryland (9.20%); Pine Brook, New Jersey (4.96%); St. Louis, Missouri (3.49%); Randolph, Vermont (2.83%); Galena, Kansas (2.7%); Huntsville, Alabama (2.21%) Grove, Oklahoma (2.05%); Chandler, Arizona (1.80%); Setauket, New York (1.51%); Enumclaw, Washington (1.37%); Minneapolis, Minnesota (1.24%); St. Charles, Missouri (1.22%); Federal Way, Washington (1.15%); Union, Missouri (1.14%); and various locations within and outside the continental U.S. (25.77%), and is expected to be completed in March 2029. Foreign Military Sales funds in the amount of $629,776,662 will be obligated at the 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.