Lockheed Martin Corp. Missiles and Fire Control, Dallas, Texas, is being awarded a sole source contract in the amount of $610,465,499 under Foreign Military Sales (FMS) cases 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 Phase II contract, the contractor will provide continued efforts initiated in the previously awarded Phase I contract (HQ0147-19-C-0007), as well as efforts related to ground production, training, spares, spares consolidation, software support, facility support, engineering services, obsolescence (pop-up), continental and outside the continental U.S. system integration and check-out, and maintenance. This work will be performed in various locations to include primarily Dallas, Texas; and Sunnyvale, California. The performance period is from April 1, 2021, through Aug. 31, 2027. KSA FMS funds in the amount of $610,465,499 will be used to fund this effort. The Missile Defense Agency, Redstone Arsenal, Alabama, is the contracting activity (HQ0853-21-C-0002).