This contract provides non-personnel services for the U.S. Air Force SEEK EAGLE Office (AFSEO) to deliver modeling, analysis, and tools support (SEMATS 4). The period of performance is five years, comprising one base year and four option years. Work will be performed primarily at Eglin Air Force Base, Florida, as well as at contractor and government facilities across the continental United States. The contractor must provide all management, personnel, equipment, and services necessary to support software/data-based modeling, simulation, analysis, and tool development for aircraft-store compatibility evaluations and mission planning. Tasks include multi-disciplinary computational technologies, software development, computer-aided design, computational fluid dynamics, high-performance computing, project management, and various engineering analyses such as structural loads, electromagnetic compatibility, stability and control, flutter, and store separation.