Lockheed Martin Aeronautics Co., Fort Worth, Texas, is awarded a $12,544,322 modification (P00003) to a previously awarded cost-plus-fixed-fee undefinitized contract (N0001924C0011). This modification definitizes contract line item numbers and adds scope to procure various special tooling and special test equipment in support of production and retrofit modifications for the Joint Strike Fighter aircraft for the Air Force, Marine Corps, Navy, Foreign Military Sales customers, and non-Department of Defense (DOD) participants. Work will be performed in Inglewood, California (25.99%); Irvine, California (47.53%); Huntsville, Alabama (4.86%); Anaheim, California (16.10%); and Kansas City, Missouri (5.52%), and is expected to be completed in June 2027. Fiscal 2022 aircraft procurement (Air Force) funds in the amount of $5,139,949; fiscal 2022 aircraft procurement (Navy) funds in the amount of $5,139,949; and non-DOD participants funds in the amount of $2,264,423, will be obligated at time of award, $10,279,899 of which will expire at the end of the current fiscal year. Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.