It was rumored in late 2018 that the 611 Institute has started to develop key technologies for the next generation fighter which is expected to enter the service by 2035. J-20 Mighty Dragon/Firefang The J-20 (K/JJ20?) #2001 technology demonstrator made its maiden flight on January 11, 2011 over the city of Chengdu, wearing a distinctive dark gray color scheme and powered by two AL-31F series turbofan engines. The prototype features a pair of all-moving tailfins and Russian 1.44 style twin ventral stabilizing fins and tail booms, which shield the engine nozzles and its heat exhausts but migh ..read more