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Computational Fluid Dynamics (CFD) methods have been employed to provide aerodynamic data in support of Eglin Air Force Base (AFB) in-house engineering analyses. The Beggar CFD code was used to generate numerical solutions for multiple cases addressing a diverse set of complex weapon system issues including the prediction of aircraft/store carriage loads, determination of the aerodynamic changes caused by geometry modifications, calculation of shock wave effects, determination of thermal effects, prediction of weapon separation characteristics, characterization of flowfield wake effects, and prediction of mass flow characteristics. The use of CFD in these efforts yielded notable reductions in program costs and time investment in each of the projects supported.