🌐EnglishEnglishFrançais中文日本語EntityQ13417554· pop 5· linked from 280 articlesType 021-class missile boatmissile boat class of the People's Liberation Army NavyConnectionsType 037 submarine chaserEntityresearch vesselEntityCategoriesChina–Soviet Union relationsMissile boat classesMissile boats of the People's Liberation Army NavyMissile boats of the Soviet UnionType 021 missile boats