The military training ground "Eugen Kvaternik" in Slunj, today, Saturday, 26 May, took place the opening ceremony of an international military exercise "Immediate Response 12," which is held to 9 June 2012. year. The exercise involved more than 700 members of the armed forces, mostly from the Croatian and the United States, and members of the Armed Forces of Albania, Bosnia and Herzegovina, Macedonia, Montenegro, Serbia and Slovenia.