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
Bosnian mujahideen Croatia between the Croatian Army and the breakaway Serb Krajina. Meanwhile, the Bosnian Muslim leadership opted for independence. Serbs established autonomous provinces and Bosnian Croats took similar steps. The war broke out in April 1992. Muslim countries came to support the Bosnian Muslims and an independent Bosnia and Herzegovina. Support came from Iran, Pakistan, Saudi Arabia, Turkey, and other Muslim countries. There were also Islamist organizations and Muslim non-profit organizations and charitable trusts that supported the Bosnian Muslims. Muslim foreign fighters joined the Bosnian Muslim side. ICG estimated 2,000–5,000 foreign Muslim fighters. Charles R. Shrader estimated up to 4,000. J.