Checking inPvt. Jacob Pharr, a radio operator with U.S. Army Europe’s 1st Squadron, 2nd Cavalry Regiment, relays communications to headquarters for his Bosnian-Herzegovinian partners while on an ambush Situational Training Exercise during Immediate Response 2012 held at the Slunj Training Area 1 June. Immediate Response 2012 is a multinational tactical field training exercise that will involve more than 700 personnel primarily from the U.S. Army Europe’s 2nd Calvary Regiment and Croatian armed forces, with contingents from Albania, Bosnia-Herzegovina, Montenegro and Slovenia. Macedonia and Serbia will send observers to the exercise. The exercise is a part of U.S. European Command's joint training and exercise program designed to enhance joint and combined interoperability between the U.S. Army, U.S. Air Force and partner nations, and will help prepare participants to operate successfully in a joint, multinational, interagency, integrated environment. (U.S. Army Europe photo by Staff Sgt. Joel Salgado/Released)