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Research Flight Tests of the High Performance Iroquois Regular Price: $30.00 Member price: $15.00
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Design and Development of the Army XV-5A Lift Fan Powered V/STOL Aircraft Regular Price: $30.00 Member price: $15.00
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The Hummingbird Program Regular Price: $30.00 Member price: $15.00
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Results of the XH-51A Rigid Rotor Research Helicopter Program Regular Price: $30.00 Member price: $15.00
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Design, Development and Flight Test of P-1127 Regular Price: $30.00 Member price: $15.00