The KC-390 Millennium military transport aircraft from Brazilian manufacturer Embraer has completed its latest worldwide demonstration campaign with a flawless record. Over a period of more than 70 days, the aircraft covered over 47.000 nautical miles and completed 54 flights in eleven different countries. The tour concluded with its participation in the FIDAE air show in Chile and its return to Embraer's headquarters in Gavião Peixoto. According to the manufacturer, a 100 percent mission success rate was achieved, demonstrating the technical reliability of the twin-engine jet transport. During the approximately 140-hour tour, the KC-390 operated under extreme climatic conditions, ranging from arctic cold in Northern Europe to tropical heat and high humidity in Southeast Asia. The campaign began at the end of January at the Singapore Airshow and included strategically important stops in Poland, Sweden, and the USA. These regions are of particular importance to Embraer, as several European NATO countries, including Austria, the Netherlands, the Czech Republic, and Hungary, have already selected or put the model into service as a replacement for their aging C-130 Hercules fleets. In various operational scenarios, the aircraft demonstrated its versatility in tactical and logistical missions. The demonstrations included the transport of heavy vehicles, medical modules, and palletized cargo, as well as parachute drops and aerial refueling maneuvers. The KC-390 is characterized by its high speed and payload capacity of up to 26 tons. The use of modern fly-by-wire technology and an integrated avionics system reduces crew workload and increases precision during airdrops in challenging terrain. Additional market analysis indicates that Embraer is increasingly focusing on [the specific region/area] with the KC-390.