How a supersonic jet vehicle gains thrust from its inlets. 2014-02-16 - #aerodynamics - #tech | |
The national cemetery in Arlington. 2009-05-20 - #USA 2009 | |
The Iwo Jima memorial at nightfall. 2009-05-20 - #USA 2009 | |
Smithsonian Air and Space Museum Flying things. 2009-05-20 - #USA 2009 |
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