Bosnian War commander Blaž Kraljević and incorporated into the HVO and ARBiH. The Army of Republika Srpska ("", VRS) was established on 12 May 1992. It was loyal to Republika Srpska, a Serb breakaway state that sought unification with FR Yugoslavia. Serbia provided logistical support, money and supplies to the VRS. Bosnian Serbs had made up a substantial part of the JNA officer corps. Milošević relied on the Bosnian Serbs to win the war themselves. Most of the command chain, weaponry, and higher-ranked military personnel, including General Ratko Mladić, were JNA. Various paramilitary units were operated during the Bosnian War: the Serb
Operation Summer '95 later be cited as a pretext for the Bosnian Warwas held. Bosnian Serbs set up barricades in the capital Sarajevo and elsewhere on 1 March, and the next day the first fatalities of the war were recorded in Sarajevo and Doboj. In the final days of March, the Bosnian Serb army started shelling Bosanski Brod, and Sarajevo was attacked on 4 April. The Bosnian Serb armyrenamed the Army of Republika Srpska (VRS) after the Republika Srpska state proclaimed in the Bosnian Serb-held territorywas fully integrated with the JNA. As 1992 carried on, it controlled about 70% of Bosnia and Herzegovina.