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Operation Sana
Operation Sana (Bosnian: Operacija Sana) was the final military offensive of the Army of the Republic of Bosnia and Herzegovina (Armija Republike Bosne i Hercegovine – ARBiH) in western Bosnia and Herzegovina and the last major battle of the Bosnian War. It was launched from the area of Bihać on 13 September 1995, against the Army of Republika Srpska (Vojska Republike Srpske – VRS), and involved advances towards Bosanski Petrovac, Sanski Most and Bosanska Krupa. At the same time, the Croatian Army (Hrvatska vojska – HV) and the Croatian Defence Council (Hrvatsko vijeće obrane – HVO) were engaging the VRS in Operation Maestral 2 further to the southeast. After an initial 70-kilometre (43 mi) advance, VRS reinforcements managed to stop the ARBiH short of Sanski Most and Bosanski Novi, and reversed some of the ARBiH's territorial gains in a counterattack. After a part of the ARBiH 5th Corps was threatened with defeat around the town of Ključ, the ARBiH requested assistance from the HV.
The HV and HVO launched Operation Southern Move in response, removing the VRS pressure from Ključ and allowing the 5th Corps, reinforced by the 7th Corps, to resume its advance and capture Sanski Most on 12 October, by which time a comprehensive ceasefire was to come into effect throughout the country. Combat continued for another eight days without significant changes to the frontlines. Fighting did not resume, and the war ended the following month following negotiation and acceptance of the Dayton Agreement.
The operation commenced during a NATO bombing campaign against the VRS, codenamed Operation Deliberate Force, which targeted Bosnian Serb air defences, artillery and storage facilities initially in the area of Sarajevo, but also elsewhere in the country. Operation Sana, alongside concurrent HV and HVO offensives, sparked debate among military analysts as to whether the ground assaults or NATO's airstrikes were more responsible for ending the Bosnian War. Also in question was to what extent the advances of the ARBiH, HVO and HV were assisted by the airstrikes, and conversely, to what extent they hampered the VRS.
As the Yugoslav People's Army (Jugoslovenska narodna armija – JNA) withdrew from Croatia following the acceptance and start of implementation of the Vance plan, its 55,000 officers and soldiers born in Bosnia and Herzegovina were transferred to a new Bosnian Serb army, which was later renamed the Army of Republika Srpska (Vojska Republike Srpske – VRS). This re-organisation followed the declaration of the Serbian Republic of Bosnia and Herzegovina on 9 January 1992, ahead of the referendum on the independence of Bosnia and Herzegovina that took place between 29 February and 1 March 1992. This declaration would later be 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 1992. On the following day, the first fatalities of the war were recorded in Sarajevo and Doboj. In the final days of March, Bosnian Serb forces bombarded Bosanski Brod with artillery, resulting in a cross-border operation by the Croatian Army (Hrvatska vojska – HV) 108th Brigade. On 4 April 1992, JNA artillery began shelling Sarajevo. There were other examples of the JNA directly supporting the VRS, such as during the capture of Zvornik in early April 1992, when the JNA provided artillery support from Serbia, firing across the Drina River. At the same time, the JNA attempted to defuse the situation and arrange negotiations elsewhere in the country.
The JNA and the VRS in Bosnia and Herzegovina faced the Army of the Republic of Bosnia and Herzegovina (Armija Republike Bosne i Hercegovine – ARBiH) and the Croatian Defence Council (Hrvatsko vijeće obrane – HVO), reporting to the Bosniak-dominated central government and the Bosnian Croat leadership respectively, as well as the HV, which occasionally supported HVO operations. In late April, the VRS was able to deploy 200,000 troops, hundreds of tanks, armoured personnel carriers (APCs) and artillery pieces. The HVO and the Croatian Defence Forces (Hrvatske obrambene snage – HOS) could field approximately 25,000 soldiers and a handful of heavy weapons, while the ARBiH was largely unprepared with nearly 100,000 troops, small arms for less than a half of their number and virtually no heavy weapons. Arming of the various forces was hampered by a United Nations (UN) arms embargo introduced in September 1991. By mid-May 1992, when those JNA units which had not been transferred to the VRS withdrew from Bosnia and Herzegovina to the newly declared Federal Republic of Yugoslavia, the VRS controlled approximately 60 percent of Bosnia and Herzegovina. The extent of the control was extended to about 70 percent of the country by the end of the year.
By 1995, the ARBiH and the HVO had developed into better-organised forces employing comparably large numbers of artillery pieces and good defensive fortifications. The VRS was not capable of penetrating their defences even where its forces employed sound military tactics, for instance in the Battle of Orašje in May and June 1995. In August 1995, after the fall of most of the Croatian Serb-controlled areas of Croatia during Operation Storm, the HV shifted its focus to western Bosnia. The shift was motivated by the desire to create a security zone along the Croatian border, establish Croatia as a regional power and gain favours with the West by forcing an end to the Bosnian War. The government of Bosnia and Herzegovina welcomed the move as it contributed to their goal of securing western Bosnia, as well as the largest Bosnian Serb-held city, Banja Luka.
In the final days of August 1995, NATO launched an air campaign targeting the VRS, codenamed Operation Deliberate Force. It was launched in response to the second Markale massacre of 28 August, which came on the heels of the Srebrenica massacre. Airstrikes began on 30 August, initially targeting VRS air defences, and striking targets near Sarajevo. The campaign was briefly suspended on 1 September and its scope was expanded to target artillery and storage facilities around the city. The bombing resumed on 5 September, and its scope extended to VRS air defences near Banja Luka by 9 September as NATO had nearly exhausted its list of targets near Sarajevo. On 13 September, the Bosnian Serbs accepted NATO's demand for the establishment of an exclusion zone around Sarajevo and the campaign ceased.
As the NATO bombing generally targeted VRS around Sarajevo, western Bosnia remained relatively calm following Operation Storm, except for probing attacks launched by the VRS, HVO or ARBiH near Bihać, Drvar and Glamoč. At the time the HV, HVO and ARBiH were planning a joint offensive in the region. The HV and HVO component of the offensive, codenamed Operation Maestral 2, was launched on 8 September with the aim of capturing the towns of Jajce, Šipovo and Drvar, while the ARBiH 7th Corps advanced on the right flank of the HV and the HVO towards Donji Vakuf. All four towns had been seized by 14 September, and the 7th Corps began transferring a substantial portion of its troops to the ARBiH 5th Corps in the Bihać area.
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Operation Sana
Operation Sana (Bosnian: Operacija Sana) was the final military offensive of the Army of the Republic of Bosnia and Herzegovina (Armija Republike Bosne i Hercegovine – ARBiH) in western Bosnia and Herzegovina and the last major battle of the Bosnian War. It was launched from the area of Bihać on 13 September 1995, against the Army of Republika Srpska (Vojska Republike Srpske – VRS), and involved advances towards Bosanski Petrovac, Sanski Most and Bosanska Krupa. At the same time, the Croatian Army (Hrvatska vojska – HV) and the Croatian Defence Council (Hrvatsko vijeće obrane – HVO) were engaging the VRS in Operation Maestral 2 further to the southeast. After an initial 70-kilometre (43 mi) advance, VRS reinforcements managed to stop the ARBiH short of Sanski Most and Bosanski Novi, and reversed some of the ARBiH's territorial gains in a counterattack. After a part of the ARBiH 5th Corps was threatened with defeat around the town of Ključ, the ARBiH requested assistance from the HV.
The HV and HVO launched Operation Southern Move in response, removing the VRS pressure from Ključ and allowing the 5th Corps, reinforced by the 7th Corps, to resume its advance and capture Sanski Most on 12 October, by which time a comprehensive ceasefire was to come into effect throughout the country. Combat continued for another eight days without significant changes to the frontlines. Fighting did not resume, and the war ended the following month following negotiation and acceptance of the Dayton Agreement.
The operation commenced during a NATO bombing campaign against the VRS, codenamed Operation Deliberate Force, which targeted Bosnian Serb air defences, artillery and storage facilities initially in the area of Sarajevo, but also elsewhere in the country. Operation Sana, alongside concurrent HV and HVO offensives, sparked debate among military analysts as to whether the ground assaults or NATO's airstrikes were more responsible for ending the Bosnian War. Also in question was to what extent the advances of the ARBiH, HVO and HV were assisted by the airstrikes, and conversely, to what extent they hampered the VRS.
As the Yugoslav People's Army (Jugoslovenska narodna armija – JNA) withdrew from Croatia following the acceptance and start of implementation of the Vance plan, its 55,000 officers and soldiers born in Bosnia and Herzegovina were transferred to a new Bosnian Serb army, which was later renamed the Army of Republika Srpska (Vojska Republike Srpske – VRS). This re-organisation followed the declaration of the Serbian Republic of Bosnia and Herzegovina on 9 January 1992, ahead of the referendum on the independence of Bosnia and Herzegovina that took place between 29 February and 1 March 1992. This declaration would later be 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 1992. On the following day, the first fatalities of the war were recorded in Sarajevo and Doboj. In the final days of March, Bosnian Serb forces bombarded Bosanski Brod with artillery, resulting in a cross-border operation by the Croatian Army (Hrvatska vojska – HV) 108th Brigade. On 4 April 1992, JNA artillery began shelling Sarajevo. There were other examples of the JNA directly supporting the VRS, such as during the capture of Zvornik in early April 1992, when the JNA provided artillery support from Serbia, firing across the Drina River. At the same time, the JNA attempted to defuse the situation and arrange negotiations elsewhere in the country.
The JNA and the VRS in Bosnia and Herzegovina faced the Army of the Republic of Bosnia and Herzegovina (Armija Republike Bosne i Hercegovine – ARBiH) and the Croatian Defence Council (Hrvatsko vijeće obrane – HVO), reporting to the Bosniak-dominated central government and the Bosnian Croat leadership respectively, as well as the HV, which occasionally supported HVO operations. In late April, the VRS was able to deploy 200,000 troops, hundreds of tanks, armoured personnel carriers (APCs) and artillery pieces. The HVO and the Croatian Defence Forces (Hrvatske obrambene snage – HOS) could field approximately 25,000 soldiers and a handful of heavy weapons, while the ARBiH was largely unprepared with nearly 100,000 troops, small arms for less than a half of their number and virtually no heavy weapons. Arming of the various forces was hampered by a United Nations (UN) arms embargo introduced in September 1991. By mid-May 1992, when those JNA units which had not been transferred to the VRS withdrew from Bosnia and Herzegovina to the newly declared Federal Republic of Yugoslavia, the VRS controlled approximately 60 percent of Bosnia and Herzegovina. The extent of the control was extended to about 70 percent of the country by the end of the year.
By 1995, the ARBiH and the HVO had developed into better-organised forces employing comparably large numbers of artillery pieces and good defensive fortifications. The VRS was not capable of penetrating their defences even where its forces employed sound military tactics, for instance in the Battle of Orašje in May and June 1995. In August 1995, after the fall of most of the Croatian Serb-controlled areas of Croatia during Operation Storm, the HV shifted its focus to western Bosnia. The shift was motivated by the desire to create a security zone along the Croatian border, establish Croatia as a regional power and gain favours with the West by forcing an end to the Bosnian War. The government of Bosnia and Herzegovina welcomed the move as it contributed to their goal of securing western Bosnia, as well as the largest Bosnian Serb-held city, Banja Luka.
In the final days of August 1995, NATO launched an air campaign targeting the VRS, codenamed Operation Deliberate Force. It was launched in response to the second Markale massacre of 28 August, which came on the heels of the Srebrenica massacre. Airstrikes began on 30 August, initially targeting VRS air defences, and striking targets near Sarajevo. The campaign was briefly suspended on 1 September and its scope was expanded to target artillery and storage facilities around the city. The bombing resumed on 5 September, and its scope extended to VRS air defences near Banja Luka by 9 September as NATO had nearly exhausted its list of targets near Sarajevo. On 13 September, the Bosnian Serbs accepted NATO's demand for the establishment of an exclusion zone around Sarajevo and the campaign ceased.
As the NATO bombing generally targeted VRS around Sarajevo, western Bosnia remained relatively calm following Operation Storm, except for probing attacks launched by the VRS, HVO or ARBiH near Bihać, Drvar and Glamoč. At the time the HV, HVO and ARBiH were planning a joint offensive in the region. The HV and HVO component of the offensive, codenamed Operation Maestral 2, was launched on 8 September with the aim of capturing the towns of Jajce, Šipovo and Drvar, while the ARBiH 7th Corps advanced on the right flank of the HV and the HVO towards Donji Vakuf. All four towns had been seized by 14 September, and the 7th Corps began transferring a substantial portion of its troops to the ARBiH 5th Corps in the Bihać area.