Lockheed Martin Space, Titusville, Florida, is awarded a $474,220,267 fixed-price-incentive-fee, cost-plus-incentive-fee, and cost-plus-fixed-fee modification (P00005) to exercise options under a previously- awarded contract (N0003022C0100) for Trident II (D5) missile production and deployed systems support. This contract award also benefits a foreign military sale to the United Kingdom. Work will be performed in Magna, Utah (62.9%); Camden, Arkansas (9.1%); Rockford, Illinois (4.5%); Biddeford, Maine (3.2%); Elkton, Maryland (2.8%); Inglewood, California (2.7%); Denver, Colorado (2.3%); Titusville, Florida (1.4%); Lancaster, Pennsylvania (1.3%); Joplin, Missouri (1.1%); Lansdale, Pennsylvania (1%); and locations less than 1% each (7.7% total). Work is expected to be completed September 30, 2027. Fiscal 2023 operations procurement (Navy) funds in the amount $14,931,189; fiscal 2023 weapons procurement (Navy) funds in the amount of $381,968,359; and fiscal 2023 operations and maintenance (Navy) funds in the amount of $16,223,144 will be obligated at time of award. Funds in the amount of $16,223,144 will expire at the end of the current fiscal year. This contract is being awarded to the contractor on a sole source basis under 10 U.S. Code 2304(c)(1) and was previously synopsized on the Federal Business Opportunities website. Strategic Systems Programs, Washington, D.C., is the contracting activity.