Lockheed Martin Corp., Lockheed Martin Aeronautics Co., Fort Worth, Texas, is awarded a $21,884,782 cost-plus-fixed-fee modification (P00005) to a previously awarded contract (N0001922C0046). This modification exercises an option to provide maintenance and sustainment operations of the Australia, Canada and United Kingdom Reprogramming Laboratory facilities and systems for the F-35 A/B aircraft program. Work will be performed in Eglin Air Force Base, Florida, and is expected to be completed in April 2025. Non-Department of Defense participant funds in the amount of $21,884,782 will be obligated at the time of award, none of which will expire at the end of the current fiscal year. Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.