From the Taiwan Strait to the Indian border; From the East China Sea to the South China Sea, China often uses the J-20 stealth fighter as a scare tactic. But does the J-20 really scare off enemies? China has deployed its most advanced J-20 stealth fighter jet along the Taiwan Strait, in the latest move to threaten the island. According to the information, the J-20s, also deployed near the Ladakh region.