Which country has successfully tested its 5th generation stealth fighter jet “FC-31 Gyrfalcon”?
[D]South Korea

China has successfully tested the newest version of the J-31stealth fighter “FC-31 Gyrfalcon”, the 5th generation fighter jet. The twin-engine jet is manufactured by Shenyang Aircraft Corp., a subsidiary of the Aviation Industry Corp of China (AVIC). The new FC-31 has better stealth capabilities, improved electronic equipment and a larger payload capacity.