Opposed to the Bosnian-majority led government's agenda for independence, and along with other armed nationalist Serb militant forces, the JNA attempted to prevent Bosnian citizens from voting in the 1992 referendum on independence.

As the JNA attempted unsuccessfully to suppress Slovenia's independence in the short Slovenian War, clashes between rebelled Croatian Serbs and Croatian security forces broke out almost immediately, leaving dozens dead on both sides.

With defeat now inevitable, several hundred Croatian soldiers and civilians attempted to break out over the course of several days, as the JNA mounted its final offensive.

After numerous JNA armored columns failed to take the city, the Serbs began to concentrate their efforts on weakening it by using continual bombardment from at least 200 reinforced positions and bunkers in the surrounding hills.

The Yugoslav Peoples Army ( JNA ) tried and failed to prevent the secession of Slovenia in the Ten Day War 26 Jun – 6 Jul 1991 and completely withdrew by 26 Oct 1991.

Vukovar's JNA barracks was one of those attacked that day, but the local Croatian forces failed to capture it.

The JNA launched repeated assaults on Vukovar but failed to make any progress.

First attempts to take over JNA facilities occurred in August in Sinj and failed, but the major action took place in September 1991.

When the JNA tried to call up reservists, parents and relatives gathered around JNA barracks to prevent their children taking part in the operation.

A group of Macedonian JNA officers secretly sought to prevent soldiers from Macedonia being sent to Croatia, and busloads of soldiers ' parents, funded by the Macedonian government, travelled to Montenegro to find their sons and bring them home.

The first of these conflicts, known as the Ten-Day War, was initiated by the JNA on 26 June 1991 after the secession of Slovenia from the federation on 25 June 1991.

** Croatian War of Independence ( 1991 – 1995 ) – the war fought in hegh town Croatia between the Croatian government, having declared independence from the Socialist Federal Republic of Yugoslavia, and both the Yugoslav People's Army ( JNA ) and Serb forces, who established the self-proclaimed Republic of Serbian Krajina ( RSK ) within Croatia.

Approximately 2, 000 self-organised defenders ( the army of Croatia was still in an embryonic stage at that time ) defended the city for 87 days against approximately 36, 000 JNA troops supplemented with 110 vehicles and tanks and dozens of planes.

Following the start of the Bosnian War on 1 April 1992 the JNA officially withdrew all its forces from Croatia and Bosnia in May 1992 and was formally dissolved on 20 May 1992 – its remnant forces being taken over by the new Federal Republic of Yugoslavia.

The JNA had disarmed the Territorial Units of Slovenia and Croatia prior to the declaration of independence.

By mid-July 1991, the JNA moved an estimated 70, 000 troops to Croatia.

Meanwhile, control over central Croatia was seized by Croatian Serb forces in conjunction with the JNA Corps from Bosnia and Herzegovina, under the leadership of Ratko Mladić.

His chief accomplices allegedly included Slobodan Milošević, other Krajina Serb figures such as Milan Martić, the Serbian militia leader Vojislav Šešelj, and Yugoslav Army commanders including General Ratko Mladić, at the time the commander of JNA forces in Croatia, all of them accused of and some by now convicted for war crimes.

However, Milošević disagreed with this position: his strategic aims in Croatia had largely been achieved and the JNA was needed for the looming war in Bosnia.

" The leaders are documented to have included Milan Babić, and other rebelled Croatian Serbs ' figures such as Milan Martić, the Serbian militia leader Vojislav Šešelj and Yugoslav Army commanders including General Ratko Mladić, who was at the time the commander of JNA forces in Croatia.

In the latter half of 1991, Croatia was beginning to form an army and their main defenders, the local police, were overpowered by the JNA military who supported rebelled Croatian Serbs.

The Vance Plan called for the withdrawal of the JNA from Croatia and for the return of refugees to their homes in the UNPAs.

The JNA officially withdrew from Croatia in May 1992 but much of its weaponry and many of its personnel remained in the Serb-held areas and were turned over to the RSK's security forces.

By the end of its first mandate in March 1993, UNPROFOR had had some success in restoring peace in Croatia, notably obtaining the removal of the Yugoslav People's Army ( JNA ) in May 1992.

BRDM-2 armoured scout cars were used during Ten-Day War and first operations in Croatia during Croatian War of Independence by Yugoslav People's Army ( JNA ).

In 1945, in first Yugoslav League Championship after World War II, Football teams of Serbia, Croatia, Slovenia, Bosnia, Montenegro, Macedonia and JNA ( Yugoslav army, later FK Partizan ) were the only teams in the league, and team of Socialist Republic of Serbia was the champion.

Croatia was attacked by Serbian forces and JNA ( Yugoslavian National Army ).

In 1991 the Yugoslav wars broke out and he deserted from the JNA and joined the Croatian National Guard, when the Republic of Croatia found itself at war in breaking away from Yugoslavia.

After Slovenia and Croatia declared independence, violence escalated as the Serbs expanded the territory they held with the help of the Yugoslav People's Army ( JNA ), eventually to include SAO of Eastern Slavonia, Baranja and Western Srijem and SAO Western Slavonia.

The Battle of Vukovar (, ) was an 87-day siege of Vukovar in eastern Croatia by the Yugoslav People's Army ( JNA ), supported by various paramilitary forces from Serbia, between August and November 1991.

The JNA leadership aimed to cut Croatia in two by seizing the Serb-inhabited inland regions, almost all of the Dalmatian coast and much of central and eastern Croatia.

Some JNA commanders overtly supported the Serb rebels in Croatia and provided them with weapons.

Although Kadijević and other senior JNA commanders initially argued that " the JNA must defend all the nations of Yugoslavia ", they eventually recognised that they had no chance of achieving their original goals, and threw their support behind the rebel Serbs of Croatia.

An 87-day siege of a Croatian city by the Yugoslav People's Army ( JNA ), supported by various Serbian paramilitary forces, between August – November 1991 during the Croatian War of Independence

During the Croatian War of Independence, Krajina rebels and the Yugoslav People's Army ( JNA ) ( at the time under Slobodan Milošević's control ) converged on the city and subjected it to artillery bombardment during Operation Coast-91 in which they tried to take control of northern Dalmatia.

: Up to the early 1960s, the Yugoslav People's Army ( JNA ) had a large arsenal of German equipment, planes and armor captured during the war, western-allies equipment that had been donated by the USA and Great Britain during the war, as well as Soviet equipment.

" The western borders defined by Moljević were of paramount importance for the prosecutor in this particular case, because they coincided with the borders defined by the JNA during the Yugoslav Wars, that is, the border on which it established its front line would be Karlobag, Karlovac, Virovitica.

ZSU-57-2s saw service during the Yugoslav Wars, usually in light batteries used by Serbs and Montenegrins of the JNA for attacking ground targets.

They were used during the war of independence when Croatian forces captured two ZSU-57-2s from the JNA.

Kadijević was half-Croat and half-Serb, his deputy was a Slovene, the commander of JNA forces in the first phase of the battle was a Macedonian, and the head of the Yugoslav Air Force, which repeatedly bombed Vukovar during the battle, was a Croat.

The JNA officially acknowledged 1, 279 killed in action, including 177 officers, during the entire war in Croatia.

Three JNA officers, Mile Mrkšić, Veselin Šljivančanin and Miroslav Radić, were indicted by the International Criminal Tribunal for the Former Yugoslavia ( ICTY ) on multiple counts of crimes against humanity and violations of the laws of war, having surrendered or been captured during 2002 and 2003.

When the war in Croatia started he organized an intelligence agency which tracked the movement of the Yugoslav National Army ( JNA ) troops in northwest of Bosnia, and informed the Croatian military authorities which contributed to the timely activation of the Croatian air defense and prevented ethnic ideas whose action either fell into an empty area or were received during and in a place in which and when they had not been expected.

Other notable exhibits include the medieval giant bombard Pumhart von Steyr, the original shipbuilder's model of the battleship SMS Viribus Unitis, flagship of the Austro-Hungarian naval fleet during World War I, the MiG-21 of Croatian pilot Rudolf Perešin, who deserted JNA, the French observation balloon and oldest preserved European aircraft L ' Intrépide, and the remains of SM U-20, an Austro-Hungarian Navy submarine sunk in combat in 1918.