Lockheed Martin Corp., Fort Worth, Texas, has been awarded an $11,162,208 cost-plus-fixed-fee modification (P00099) to a previously awarded contract (FA8615-16-C-6048) for continued flight testing in support of the F-16 Singapore upgrade program. The modification brings the total cumulative face value of the contract to $1,112,065,721. Work will be performed in Fort Worth, Texas, and is expected to be completed by Jan. 29, 2027. This contract involves Foreign Military Sales (FMS) to Singapore. FMS funds in the amount of $11,162,208 will be obligated at the time of award. The Air Force Life Cycle Management Center, Wright-Patterson Air Force Base, Ohio, is the contracting activity.