Originally from the village of Nijemci in Syrmia in eastern Croatia, Dedaković had graduated from the Yugoslav People's ArmyAir Force Academy and its Officer Academy before the events which led to the breakup of Yugoslavia began to unfold in 1990. Formerly a lieutenant colonel in command of a JNA military airbase near Zagreb, he joined the newly formed Croatian National Guardin the summer of 1991. Due to a lack of schooled officers available to the Croatian military at the time, Dedaković, an air force officer, was immediately posted to command the ZNG's brigade stationed in Vukovar, a town in eastern Croatia in his native region, which soon fell under a full-scale attack of the JNA and Serbian nationalist paramilitaries. He assumed command of the 204th Vukovar Brigade upon its formation in September 1991. At the time of its founding, the brigade roster included 1,803 men, and was assigned to cover the area of the former municipality of Vukovar, which included the cities of Vukovar and Ilok as well as numerous surrounding villages. Dedaković commanded the brigade during the first phase of the siege of Vukovar until early October when he was reassigned to nearby Vinkovci and the command passed on to Branko Borković. In mid-October Dedaković was put in charge of a breakthrough operation to relieve the Vukovar which was in the meantime cut off from the rest of the Croatian-held territory. Although initially successful, the counter-offensive was called off by Croatian PresidentFranjo Tuđman, reportedly under pressure from the European Community for a ceasefire. This enabled the JNA to retake the ground that it had lost and from then on the town was completely surrounded until it eventually fell on 18 November 1991. Both Mile Dedaković and Branko Borković survived the battle and spoke out publicly against the Croatian Government's actions. In an apparent attempt to silence them, both men were briefly detained by Croatian military police, and the Croatian government suppressed an issue of the newspaper Slobodni tjednik that published a transcript of a telephone call from Vukovar, in which Dedaković had pleaded with an evasive Tuđman for military assistance. The revelations caused public outrage and reinforced perceptions that the defenders had been betrayed. Dedaković was charged together with the leaders of the Croatian Party of Rights for an alleged preparation to attack Banski dvori, but the case was rejected at the Croatian Supreme Court. In 1996, he published a book Bitka za Vukovar, co-authored with Radio Vukovar journalist Alenka Mirković Nađ. In November 2005, Dedaković worked with the Ministry of Defence under Berislav Rončević to consolidate official records of the 204th Brigade. On September 25, 2006, Dedaković ceremonially reported in Vukovar, under the brigade's now-official banners, before the Commander-in-Chief President of CroatiaStjepan Mesić.
