South Korea began mass production of the world's first-ever supersonic trainer jets, named T-50s, on Tuesday (Aug. 30) under a 6.4-trillion-won ($6.2-billion) project aimed at promoting its military aviation industry. The project includes the development of supersonic fighter jets.

President Roh Moo-hyun visited a factory of the Korea Aerospace Industries (KAI) in Sacheon, South Gyeongsang Province, which rolled out the first T-50 in the morning, to congratulate the nation for becoming the 12th country to produce supersonic aircraft.

Full Story