U.S. Army Sgt. Michael Swanker, assigned to the 1194th Engineer Company, 682nd Engineer Battalion, carries the American Flag during the 25K Danish Contingency, or DANCON, ruck march at Al Asad Air Base, Iraq, May 3, 2016.
(U.S. Army National Guard photo by Pfc. Megan Doran) www.dvidshub.net. Original public domain image from Flickr