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The Propulsion Aerodynamics Branch (and its predecessors) at the NASA Langley Research Center has been conducting propulsion aerodynamics research since 1941. During that time, branch research has had an impact on almost every aircraft flown. Before 1982, the primary contribution was in the form of experimental data obtained in the 16-Foot Transonic Tunnel and an associated static test facility. During the last decade, computational fluid dynamics research has played an increasing role in branch contributions. This paper provides an overview of the propulsion/airframe integration activities conducted in the branch during the last several years and some indication of the direction of future research.