Lockheed Martin Corp., Lockheed Martin Aeronautics Co., Fort Worth, Texas, is awarded a $30,439,628 cost-plus-incentive-fee modification (P00018) to a previously awarded contract (N0001920C0037). This modification exercises options to provide operation and maintenance support of F-35 Joint Strike Fighter development labs in support of testing developed configurations across the F-35 platform for the Navy, Marine Corps, Air Force and non-U.S. Department of Defense (DOD) participants. Work will be performed in Fort Worth, Texas, and is expected to be completed in March 2022. Fiscal 2022 operation and maintenance (Navy) funds in the amount of $12,472,427; fiscal 2022 operation and maintenance (Air Force) funds in the amount of $12,472,427; and non-U.S. DOD participant funds in the amount of $5,494,774 will be obligated at time of award, $24,944,854 of which will expire at the end of the current fiscal year. The Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.