Lockheed Martin Corp., Lockheed Martin Aeronautics Co., Fort Worth, Texas, is awarded a $24,980,078 cost-plus-fixed-fee order (N0001923F0039) against a previously issued basic ordering agreement (N0001919G0008). This order provides Diminishing Manufacturing Sources (DMS) management, to include review and identification of actual and potential DMS issues of components, parts, materials, assemblies, subassemblies, and software items, and recommend solutions to mitigate issues in support of the F-35 Joint Strike Fighter aircraft. Work will be performed in Fort Worth, Texas, and is expected to be completed in July 2023. Fiscal 2022 aircraft procurement (Air Force) funds in the amount of $4,602,729; fiscal 2022 aircraft procurement (Navy) funds in the amount of $4,602,729; fiscal 2022 operations and maintenance (Air Force) funds in the amount of $937,756; fiscal 2022 operations and maintenance (Navy) funds in the amount of $468,878; fiscal 2022 operations and maintenance (Marine Corps) funds in the amount of $468,878; fiscal 2021 aircraft procurement (Air Force) funds in the amount of $4,602,729; fiscal 2021 aircraft procurement (Navy) funds in the amount of $4,602,728; and non-Deportment of Defense participant funds in the amount of $4,693,651 will be obligated on this award, of which $1,875,512 will expire at the end of the current fiscal year. The Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.