Lockheed Martin Corp., Lockheed Martin Aeronautics Co., Fort Worth, Texas, is being awarded a $179,916,000 fixed-price-incentive, firm-target modification to a previously awarded advance acquisition contract (AAC) N00019-C-16-0033 for the advance procurement of long lead time materials, parts, components, and effort to maintain the planned production schedule for low-rate initial production (LRIP) Lot 11 F-35 aircraft. The effort also increases the quantity of aircraft that the LRIP 11 AAC supports for the Air Force by 15 F-35A variant aircraft, and for the Marine Corps by 10 F-35B variant aircraft. Work will be performed in Fort Worth, Texas (55 percent); El Segundo, California (15 percent); Warton, United Kingdom (10 percent); Orlando, Florida (5 percent); Nashua, New Hampshire (5 percent); Baltimore, Maryland (5 percent); and Cameri, Italy (5 percent), and is expected to be completed in December 2019. Fiscal 2016 aircraft procurement (Air Force, Navy, Marine Corps) funds in the amount of $179,916,000 are being obligated at time of award, none of which will expire at the end of the current fiscal year. This contract combines purchase for the Air Force ($118,142,000; 65.6 percent); Navy ($16,509,000; 9.2 percent), and Marine Corps ($45,265,000; 25.2 percent). The Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.