🌐EnglishEnglishBahasa IndonesiaFrançaisSvenska中文日本語EntityQ5471272· pop 5· linked from 143 articlesFort HalsteadAlso known as Royal Armament Research and Development Establishmentresearch and development facility of the United Kingdom's armed forcesOn the mapAvailable in 4 languagesFrançaisBahasa IndonesiaEgyptian Arabicvia Wikidata sitelinks · CC0ConnectionsSevenoaksEntityWilliam Penney, Baron PenneyEntityCategories1897 establishments in England19th-century forts in EnglandBuildings and structures in SevenoaksFortifications of LondonForts in KentMilitary installations closed in 2022Military installations established in 1897Research installations of the Ministry of Defence (United Kingdom)Research institutes in Kent