#Russia’s MS-21 aircraft test marks a historic aviation milestone, as the first fully domestically-produced passenger jet successfully completes its flight in Siberia’s Irkutsk. Developed by the United Aircraft Corporation (UAC), the medium-range MS-21 showcases Russia’s independence from Western components amid sanctions. Officials call it proof that Russia can build modern civil aircraft entirely on its own. With certification flights and mass production already underway, demand from airlines