Members of the Global Strike Challenge nuclear/conventional load crew team lift a GBU-31 Joint Direct Attack Munition into position during a dry run leading up to the 2012 Air Force Global Strike Command Challenge on Barksdale Air Force Base, La., Aug. 20, 2012. (U.S. Air Force photo by Staff Sgt. Chad Warren)
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2012-08-20 13:48
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/usairforce/7851986672/">A striking challenge</a>