A U.S. Army CH-47 Chinook helicopter unloads fuel during a sling load training exercise at Bagram Airfield, Afghanistan, July 30, 2013.
SPC Ryan Green
Taken on 30 July 2013
<a rel="nofollow" class="external free" href="http://www.defenseimagery.mil/imageRetrieve.action?guid=864cd4f144b26dd201683575a5cf4d8f4f926c5e&amp;t=2">http://www.defenseimagery.mil/imageRetrieve.action?guid=864cd4f144b26dd201683575a5cf4d8f4f926c5e&amp;t=2</a>