Lockheed U-2R (s/n 68-10337) in flight, a historic image provided by USAF, ca 1967-70.
Unknown or not provided.
<a rel="nofollow" class="external free" href="http://www.dm.af.mil/shared/media/photodb/photos/080110-F-0602B-020.jpg">http://www.dm.af.mil/shared/media/photodb/photos/080110-F-0602B-020.jpg</a><br>found at<br><a rel="nofollow" class="external free" href="http://www.dm.af.mil/photos/mediagallery.asp?galleryID=5454&amp;page=2">http://www.dm.af.mil/photos/mediagallery.asp?galleryID=5454&amp;page=2</a>