The immersion of the Yugoslav army in Kosovo will strain relations between Serbia and Montenegro.
But Mr Milosevic still has clout with the Yugoslav army, which is deployed throughout Montenegro.
He took part in the war in eastern Bosnia as a commander of a Yugoslav army corps.
Both the Yugoslav army and Serbian police have said they have started investigating crimes committed by their personnel.
The Yugoslav army, for its part, has little night-fighting ability and lacks ground radar to protect its exposed checkpoints.
The most recent victim of this purge is General Momcilo Perisic, dismissed as the Yugoslav army's chief of staff.
But Mr Djukanovic has already warned his people that installations of the Yugoslav army in his small republic will be targets.
Momcilo Perisic, who commanded the Yugoslav army during the wars in Bosnia and Croatia, was found guilty after a trial in 2011.
As well as the ruthless interior-ministry troops that are Mr Milosevic's weapon of choice, the attackers included the regular Yugoslav army and armed Serb civilians.
It was his embrace of such bitterly controversial views on history that turned him from being a successful general in the Yugoslav army to a nationalist dissident.
But the tribunal did not find evidence that Perisic had "exercised effective control" over Gen Mladic or any other Yugoslav Army officer serving in the Bosnian Serb army.
But as Yugoslavia began to disintegrate his party, which took directions from Serbia's authoritarian leader, Slobodan Milosevic, made preparations for war, distributing arms provided by the Yugoslav army.
The Yugoslav army and Serb special police have been fighting in northwest Kosovo, near the border with Serbia's sister republic of Montenegro, and near the Albanian border.
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Even after reinforcement, there will be only about 8, 000 British troops in Macedonia, far too few to play more than a token part in a war against the Yugoslav army.
The Yugoslav army then seized Bosnia's president, Alija Izetbegovic.
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Pavkovic commanded the Yugoslav army in southern Serbia, including the mainly ethnic Albanian province of Kosovo, during the 1999 NATO air strikes which eventually forced Yugoslav forces to withdraw from the region.
Tudjman wants the Europeans to extend their non-military observer mission, now limited to Slovenia, to his republic as a sign that foreign countries will help Croatia stand up to the Yugoslav army.
Early Wednesday, CNN Correspondent Brent Sadler reported seeing explosions in the capital, Belgrade, though Pentagon officials said NATO forces were increasing attacks on Yugoslav army troops and Serb police units in and around Kosovo.
Since the split between the federal Belgrade administration, run by allies of President Slobodan Milosevic, and the Montenegrin leadership headed by reformist President Milo Djukanovic, many Montenegrins are reportedly trying to avoid military service in the Belgrade-controlled Yugoslav army.
The ICTY's ruling comes three months after appeal judges at The Hague acquitted the former chief of the Yugoslav National Army of aiding and abetting atrocities by rebel Serbs in Bosnia.
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There, diplomats said, the Yugoslav People's Army continues to transfer heavy equipment and Serbian units into Croatian territory.
Military sources told CNN one of the main sticking points is that the Yugoslav leadership is concerned Kosovo Liberation Army rebels will attack Serb forces from the rear once the withdrawal begins.
Yugoslav Foreign Ministry spokesman Nebojsa Vujovic said army troops and police would start pulling out on Thursday.
Yugoslav President Slobodan Milosevic met government and army leaders Sunday and declared the country fit to continue its resistance.
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