Lockheed Martin Corp., Lockheed Martin Aeronautics Co., Fort Worth, Texas, is awarded a $1,099,631,252 modification (P00008) to a previously awarded fixed-price incentive (firm target) advance acquisition contract (N0001920C0009). This modification exercises options for the production and delivery of 16, Lot 15 F-35 Lightning II aircraft: 10 for the Air Force and six for the Marine Corps. Work will be performed in Fort Worth (57%); El Segundo, Calif. (14%); Warton, United Kingdom (9%); Cameri, Italy (4%); Orlando, Fla. (4%); Nashua, N.H. (3%); Baltimore, Md. (3%); San Diego, Calif. (2%); Nagoya, Japan (2%); and various locations outside the continental U.S. (2%), and is expected to be completed in May 2026. Fiscal 2021 aircraft procurement (Navy) funds in the amount of $439,938,432; and fiscal 2021 aircraft procurement (Air Force) funds in the amount of $659,692,820 will be obligated at time of award, none of which will expire at the end of the current fiscal year. The Naval Air Systems Command, Patuxent River, Md., is the contracting activity. (Source: DoD, 09/24/21) Gulf Coast note: Eglin Air Force Base, Fla., is home of an F-35 training center and reprogramming labs.