Lockheed Martin Aeronautics Co., Fort Worth, Texas, is awarded a $13,602,004 modification (P00012) to a previously awarded cost-plus-fixed-fee contract (N0001919C0074). This modification increases scope to procure special tooling and special test equipment in support of next generation capabilities for F-35 air vehicle full rate production Lots 15 and beyond for the Air Force, Navy, Marine Corps, Foreign Military Sales (FMS) customers, and non-U.S. Department of Defense (DOD) participants.  Work will be performed in Goleta, California (82%); and McKinney, Texas (18%), and is expected to be completed in September 2022. Fiscal 2021 aircraft procurement (Navy) funds in the amount of $3,217,264; fiscal 2021 aircraft procurement (Air Force) funds in the amount of $3,217,262; FMS customer funds in the amount of $5,750,100; and non-U.S. DOD participant funds in the amount of $1,417,378 will be obligated at the time of award, none of which will expire at the end of the current fiscal year. The Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.