Lockheed Martin Corp. Missiles and Fire Control, Dallas, Texas, is being awarded a $17,633,652 modification (P00019) to previously awarded Phase II contract HQ0853-21-C-0002 under a Foreign Military Sales (FMS) case to the Kingdom of Saudi Arabia (KSA). The value of this contract is increased from $1,060,802,488, to $1,078,436,140. Under this modification, the contractor will procure and install one General-Purpose Electronics Test Station (GETS) and eight Test Program Sets (TPS), with associated spares, and provide technical support through the contract. The work will be performed in various locations to include primarily Dallas, Texas; and Sunnyvale, California, with an expected completion date of March 1, 2028. KSA FMS funds in an amount of $17,633,652 will be used to fund this effort.  The Missile Defense Agency, Redstone Arsenal, Alabama, is the contracting activity (HQ0853-21-C-0002).