The Army of Republika Srpska (; ВРС/VRS), commonly referred to in English as the Bosnian Serb Army, was the military of Republika Srpska (RS), the self-proclaimed Serb secessionist republic, a territory within the newly independent Bosnia and Herzegovina (formerly part of Yugoslavia), which it defied. Active during the Bosnian War (1992–95), it continued to exist as the armed forces of RS, one of two entities making up Bosnia and Herzegovina, until 2006 when it was integrated into the Armed Forces of Bosnia and Herzegovina. Forces of the VRS engaged in a number of campaigns including Operation Corridor 92, Operation Vrbas '92, Operation Bura, Operation Spider and the army also perpetrated the siege of Sarajevo from 1992 to 1995 and the Srebrenica massacre in 1995.