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Blended wing body prototype in the Langley Full-Scale Tunnel


TECHNICAL EXCELLENCE: TIMELINES
These timelines highlight technical accomplishments from recent years made by aeronautics scientists and researchers working at the NASA centers. The timelines also include helpful historical checkpoints that provide context for ongoing efforts to understand and explore the frontiers of flight.


  NASA's two Global Hawk unmanned aircraft, one with a refueling hose trailing behind, fly in close formation during the aerial refueling demonstration.
2012
Technical Excellence
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  Artist concept of a future green aviation vehicle in flight above the clouds.
2011
Technical Excellence
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  Chevron nozzles on a modified GE engine mounted on a Boeing 777.
2010
Technical Excellence
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  F-15B in flight.
2009
Technical Excellence
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  Image of the S-3 Viking in flight.
2008
Technical Excellence
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  BWB on the desert floor.
2007
Technical Excellence
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  Pratt & Whitney Rocketdyne (PWR) of their hypersonic Ground Demonstrator Engine No. 2
2006
Technical Excellence
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  Computational fluid dynamics-generated simulation of a GE-90 aircraft engine.
2005
Technical Excellence
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  Computation Fluid Dynamics Study of Cone.
2004
Technical Excellence
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  Numerical optimization methods are used to vary the wing geometry slightly to achieve the highest lift-to-drag ratio (L/D).
2002-2003
Technical Excellence
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Editor: Karen Rugg
NASA Official: Tony Springer
Last Updated: July 5, 2011
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