Lockheed Martin Corp. Fort Worth, Texas, is awarded a $101,518,751 modification (P00039) to a previously awarded cost-plus-fixed-fee, fixed-price-incentive-firm contract (N00019-18-C-1048). This modification adds scope to provide sustainment services and outcomes for the United Kingdom (U.K.) Ministry of Defense, supporting daily flight operations with the national specific capabilities required at various F-35 operating sites in support of the F-35 Lightning II U.K. Lightning Air-system National Capability Enterprise. Work will be performed in Samlesbury, United Kingdom (90%); Fort Worth (5%); and Orlando, Fla. (5%), and is expected to be completed in December 2022. Non-U.S. Department of Defense participant funds in the amount of $101,518,751 will be obligated at time of award, none of which will expire at the end of the current fiscal year. The Naval Air Systems Command, Patuxent River, Md., is the contracting activity. (Source: DoD, 12/28?20) Gulf Coast note: Eglin Air Force Base, Fla., is home of an F-35 training center and reprogramming labs.