<a href="//commons.wikimedia.org/wiki/Category:NACA" title="Category:NACA">NACA's</a> (the predecessor of <a href="//commons.wikimedia.org/wiki/Category:NASA" title="Category:NASA">NASA</a>) mission statement. "...it shall be the duty of the advisory committee for aeronautics to supervise and direct the scientific study of the problems of flight with a view to their practical solution..."
NACA staff
<p><a rel="nofollow" class="external text" href="http://history.nasa.gov/SP-4306/contents.htm">LL and APT</a> uploaded by <a href="//commons.wikimedia.org/wiki/User:Tasoskessaris" class="mw-redirect" title="User:Tasoskessaris">Dr.K.</a> 05:57, 10 March 2007 (UTC) 
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<table class="layouttemplate" style="margin: 0.5em auto; width: 100%; background-color: #f8f8f8; border: 2px solid #e0e0e0; padding: 5px;" lang="en" dir="ltr"><tbody><tr><td style="padding:5px;"><div class="wpImageAnnotatorControl wpImageAnnotatorOff"><a href="//commons.wikimedia.org/wiki/File:Applications-graphics.svg" class="image"><img alt="Applications-graphics.svg" src="https://upload.wikimedia.org/wikipedia/commons/thumb/7/76/Applications-graphics.svg/45px-Applications-graphics.svg.png" decoding="async" width="45" height="45" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/7/76/Applications-graphics.svg/68px-Applications-graphics.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/7/76/Applications-graphics.svg/90px-Applications-graphics.svg.png 2x" data-file-width="48" data-file-height="48"></a></div>
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<td style="width:100%;">This  is a <i><b><a href="https://en.wikipedia.org/wiki/Image_editing" class="extiw" title="w:Image editing">retouched picture</a></b></i>, which means that it has been digitally altered from its original version. Modifications: <i>cleaned, values adjusted</i>.  Modifications made by <a href="//commons.wikimedia.org/wiki/User:CarolSpears" title="User:CarolSpears">CarolSpears</a>.
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