Polish paratroopers strap on their helmets during exercise Rapid Trident 2013 in Yavoriv, Ukraine, July 9, 2013. Rapid Trident is a U.S. Army-Europe led multinational field training and command post exercise designed to enhance interoperability between forces and promote regional stability and security.
Sgt. Daniel Cole
<a rel="nofollow" class="external free" href="http://www.defenseimagery.mil/imageRetrieve.action?guid=8afca54391d5c57cb96a7767d391d2ab74deb2fc&amp;t=2">http://www.defenseimagery.mil/imageRetrieve.action?guid=8afca54391d5c57cb96a7767d391d2ab74deb2fc&amp;t=2</a>