Chinese Kh-31/YJ-91 anti-radiation missile GDC 4 years ago YJ-91 is based on the Russian Kh-31, capable of Mach 4.5, tailored for the Chinese "Wild Weasel" A.K.A "Suppression of Enemy Air Defenses", or SEAD missions. You need to be logged in to view this content. Please Log In. Not a Member? Join Us Analysis: J-10 (Jian 10) Vigorous Dragon Multirole FighterDateJuly 10, 2021In relation toAir PlatformChinese Navy’s YJ-12A/B Anti-surface Warfare CapabilitiesDateMay 3, 2020In relation toInfantry WeaponsPLAN’s Type 055 DestroyerDateMay 15, 2020In relation toNaval Platforms