Lockheed Martin Corp., Lockheed Martin Aeronautics Co., Fort Worth, Texas, is awarded a $38,659,327 modification (P00004) to previously awarded cost-plus-fixed-fee, indefinite-delivery/indefinite-quantity contract N00019-18-D-0129. This modification exercises an option for ordering emerging capabilities and analysis systems engineering to include programmatic and logistics tasks that will analyze the F-35 air system's ability to meet future operational requirements, investigating cost and weight reduction program options and conducting modeling and simulation activities. Additional assessments may include such efforts as analyzing changes to design life, operational readiness, reliability and air system design and configuration. Work will be performed in Fort Worth and is expected to be completed in December 2021. No funds are being obligated at time of award; funds will be obligated on individual orders as they are issued. The Naval Air Systems Command, Patuxent River, Md., is the contracting activity. (Source: DoD, 03/03/21) Gulf Coast note: Eglin Air Force Base, Fla., is home of an F-35 training center and reprogramming labs.