Lockheed Martin Corp. Missiles and Fire Control, Dallas, Texas, is being awarded a $286,466,778 modification to previously awarded Phase II contract HQ0835-21-C-0002 under a Foreign Military Sales (FMS) case to the Kingdom of Saudi Arabia (KSA). The contract type will be a hybrid firm-fixed-price, cost-plus-incentive-fee, and cost reimbursement contract. Under this modification, the contractor will provide equipment and continued efforts in support of Phase I contract HQ0147-19-C-0007 and additional efforts related to ground production, training, spares, spares consolidation, software support, facility support, engineering services, obsolescence (pop-up), outside the continental U.S. and continental U.S. system integration and check-out, maintenance, urgent software updates, system integration lab and testbed maintenance, field surveillance program and contractor logistics support. This work will be performed in various locations to include primarily Dallas, Texas; and Sunnyvale, California. The performance period is from Dec. 16, 2021, through Aug. 31, 2027. KSA FMS funds in the amount of $286,466,778 will be used to fund this effort. The Missile Defense Agency, Redstone Arsenal, Alabama, is the contracting activity (HQ0853-21-C-0002).