The PAC JF-17 Thunder , also known in China as the FC-1 Fierce Dragon ,is a light-weight multi-role combat aircraft jointly developed by China and Pakistan. It has the fine high and low-speed maneuverability, all-weather combat capability, and low cost. While FC-1 also uses the notable "divertless supersonic intakes " (DSI) to ensure its competitive and integrated performance. At present, Pakistan air force has accepted this aircraft to gradually develop its future combat capability.