Three military members are silhouetted against the afternoon sky as they sit behind an M-2 .50-caliber machine gun atop an armored vehicle parked on the perimeter of an air base during Operation Desert Shield.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/39513508@N06">US Air Force</a> from USA
2011-01-21 11:10
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/usairforce/5375274159/">DF-ST-91-06506</a>