Home›203 mm artillery›Type 4 rocket launcher🌐EnglishEnglishDeutschFrançaisItalianoРусский中文日本語EntityQ7860736· pop 7· linked from 62 articlesType 4 rocket launcherAlso known as Army 20cm Rocket20 cm rocket launcherWikidata factsImageJapanese Type 4 20 cm Rocket Mortar with a 20 cm shell.jpgvia Wikidata · CC0Available in 7 languagesFrançaisDeutsch日本語РусскийItalianoCatalanvia Wikidata sitelinks · CC0Connections8 cm/40 3rd Year Type gunEntityUnited StatesCountryCategories203 mm artilleryRocket artilleryWeapons and ammunition introduced in 1943World War II artillery of Japan