Lockheed Martin Aeronautics Co., Fort Worth, Texas, is awarded a $175,898,921 firm-fixed-price, cost-plus-fixed-fee modification (P00008) to a previously awarded indefinite-delivery/indefinite-quantity contract (N0001921D0001). This modification adds scope to procure initial spares, to include global spares packages, base spares packages, deployment spares packages, and an afloat spares package in support of F-35 Lightning II Lots 15-17 deliveries for the Foreign Military Sales customers and non-U.S. Department of Defense participants. Work will be performed in Fort Worth, Texas, and is expected to be completed in December 2023. No funds will be obligated at time of award; funds will be obligated on individual orders as they are issued. Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.