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
Battle of Kupres (1992) from Croatia following the implementation of the Vance plan, it was reorganised into a new Bosnian Serb army. This reorganisation followed the declaration of the Serbian Republic of Bosnia and Herzegovina on 9 January 1992, ahead of the 29 February – 1 March 1992 referendum on the independence of Bosnia and Herzegovina. This declaration was later cited by the Bosnian Serbs as a pretext for the Bosnian War. Bosnian Serbs began fortifying the capital, Sarajevo, and other areas on 1 March. On the following day, the first fatalities of the war were recorded in Sarajevo and Doboj. On 27 March,