OVERVIEW OATK (formerly Orbital Sciences Corporation) develops a variety of advanced launch vehicles and satellites. ATA has supported OATK by developing structural-dynamic models and performing modal testing and analysis of most of their launch vehicles, including the Transfer Orbit Stage, Pegasus, and Taurus. The X-34 launch vehicle was an experimental vehicle designed to demonstrate reusable flight operations. It was to be launched from an L-1011 carrier aircraft and would achieve speeds of up to Mach 8 before returning to Earth and landing autonomously. ATA provided support to the X-34 program in a variety of areas, including design, testing, and analysis. TASKS PERFORMED & KEY OUTCOMES h Developed a system-level finite element model (FEM) of the X-34 from component detailed s

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