Senior Airman Andrew Marosok races up a hill with a training dummy while his teammates follow with other loads as they compete in the "Ruck and Pack" event in the Crow Creek Challenge Aug. 22, 2013, at F.E. Warren AFB, Wyo. The annual competition challenges 90th Security Group Airmen to the limits of their physical endurance and in knowledge related to their job. Marosok is assigned to the 90th Security Forces Squadron. (U.S. Air Force photo by R.J. Oriez)
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/39513508@N06">US Air Force</a> from USA
2013-08-30 10:14
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/usairforce/9630742282/">Crow Creek Challenge 2013</a>