Lockheed Martin Corp., Lockheed Martin Aeronautics Co., Fort Worth, Texas, is awarded a $138,769,282 modification (P00027) to previously awarded cost-plus-award-fee, cost-plus-incentive-fee contract N00019-19-C-0010. This modification adds scope to continue the development of pilot training device software to align the F-35 air system with continued capability development. Additionally, this modification provides for testing and continuous re-certification activities for dual capable F-35 aircraft as Block 4 capabilities are developed, matured and fielded in support of the Navy, Marine Corps, Air Force and non-Department of Defense (DOD) participants. Work will be performed in Orlando, Fla. (51%); and Fort Worth (49%), and is expected to be completed in June 2024. Fiscal 2020 research, development, test and evaluation (Air Force) funds in the amount of $4,623,119; fiscal 2020 research, development, test and evaluation (Navy) funds in the amount of $3,325,900; and non-DOD participant funds in the amount of $1,071,980 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, 10/210/20) Gulf Coast note: Eglin Air Force Base, Fla., is home of an F-35 training center and reprogramming labs.