Melkonian was known as Avo to the troops under his command in Nagorno-Karabakh. The last years of his life were spent fighting with the Nagorno-Karabakh Defense Army.
He believed that the the only real future for Artsakh would be to unite with Armenia. His messages about the importance of Artsakh for Armenia resonate over time.
Monte was killed in the village of Merzili, Aghdam (Akna) in the early afternoon of June 12, 1993.
After death he was awarded the highest military honors of Nagorno Karabakh and the Republic of Armenia, including the Military Cross, First Degree and the Golden Eagle medal.
Monte was buried with full military honors on June 19, 1993 at Yerablur Military Pantheon in the outskirts of Yerevan, where his coffin was brought from the Surb Zoravar Church in the city center.
In 1993 the Monte Melkonian Military Academy was established in Yerevan.