6/5/2012 Montenegrin, Croatian, and U.S. forces conduct an integrated attack on opposing forces during exercise Immediate Response 2012 being held in Slunj, Croatia. Immediate Response is a multinational tactical field training exercise that involves more than 700 personnel from the U.S. Army Europe's 2nd Cavalry Regiment and Croatian land forces, with elements from Albania, Bosnia and Herzegovina, Montenegro, and Slovenia. Macedonia and Serbia have brought observers. In this video, Croatian Patria AMV Armored Personnel Carrier provide support. Troops are also wearing the DISE, a system designed to indicate a hit with a laser fitted to a weapon, the VHS Bullpup Assault Rifle.