Taiwan plans for the production of an upgraded version of the navy’s Tuo Chiang-class stealth corvette that is to incorporate expanded anti-aircraft capabilities. Under the plan, a total of 11 vessels are to be produced in three lots, featuring a longer and wider hull, 3D radar systems and a ship-to-air version of the Tien Chien II (“Sky Sword”) guided missile system. the first lot is scheduled to be completed by 2025 at a cost of $471.68 million. 

The class’ length is to be increased from 60,4m to 65m, while width is to increase from 14m to 15m and displacement from 567 tonnes to 667 tonnes.