U.S. Soldiers with India Troop, 3rd Squadron, 2nd Cavalry Regiment provide security in a guard tower during a mission rehearsal exercise in Hohenfels, Germany, March 16, 2013.
Mission rehearsal exercises develop combat skills, counterinsurgency tactics and interoperability between military forces of the U.S. and its partner nations before a scheduled deployment. (DoD photo by Spc. Joshua Edwards, U.S. Army/Released). Original public domain image from Flickr