🌐EnglishEnglishDeutschEspañolFrançaisTiếng ViệtРусский中文日本語EntityQ1803642· pop 9· linked from 26 articlesMattressAlso known as Land MattressBritish-devised multiple rocket launchers during World War IIWikidata factsImageNebelwerfer and Land Mattress.jpgSources (1)en.wikipedia.orgvia Wikidata · CC0Available in 8 languagesEspañolFrançaisDeutsch中文РусскийBretonTiếng Việtvia Wikidata sitelinks · CC0ConnectionsWorld War IIConceptSoviet UnionConceptRhineCategoriesRocket artilleryWeapons and ammunition introduced in 1944World War II artillery of the United KingdomWorld War II military equipment of Canada