<p>This airplane, appropriately named "Spriit of the Air Force" for its last mission, was the subject of thousands of hours of volunteer maintenance to make it air-worthy enough to complete its last flight, to Castle AFB. It landed, and was rolled out to the museum area. By a very large margin, this was the last B-47 flight and its unlikely there will ever be another. 
</p><p>The B-47 distilled everything Boeing knew about fast, heavy and high-flying bombers, and mixed it with everything the Germans had discovered about swept surfaces and transonic drag.  The result was a "bomber" which could be rolled, which possessed very few straight lines, and not an inch of parallel sided, severely practical fuselage which characterized the B-29, KC-97, Model 377 Stratoliner., etc. 
</p><p>One Boeing characteristic of the B-47 was the wings. VERY strong, they were also surprisingly flexable The wouldk me alarm
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<a rel="nofollow" class="external text" href="https://www.flickr.com/people/9998127@N06">Bill Abbott</a>
CC BY-SA 2.0
<p><a rel="nofollow" class="external text" href="https://www.flickr.com/photos/wbaiv/4687061877/">Starboard forward quarter, B-47 at Castle AFB</a>
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<ul><li>Uploaded by <a href="//commons.wikimedia.org/wiki/User:High_Contrast" title="User:High Contrast">High Contrast</a></li></ul>