B-24 Liberatir mid-upper turret, a historic image provided by USAF.
Unknown or not provided.
2013-12-20 23:16:00
<a rel="nofollow" class="external free" href="http://www.dm.af.mil/shared/media/photodb/photos/080110-F-0602B-005.jpg">http://www.dm.af.mil/shared/media/photodb/photos/080110-F-0602B-005.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=3">http://www.dm.af.mil/photos/mediagallery.asp?galleryID=5454&amp;page=3</a>