Do you mean WS-19? It gives 2023 as the production date for WS-15, which is in the past.
By going live, I meant when WS-15 is integrated with J-20 rolled-out in a fully-operational and mature manner. This is expected to substantially close the gap with top U.S. fighters in raw propulsion performance.
alt Hacker News
By going live, I meant when WS-15 is integrated with J-20 rolled-out in a fully-operational and mature manner. This is expected to substantially close the gap with top U.S. fighters in raw propulsion performance.