EntityQ5471272· pop 5· linked from 143 articlesFort HalsteadSign in to saveresearch and development facility of the United Kingdom's armed forcesConnectionsSevenoaksEntityWilliam Penney, Baron PenneyEntityExecutive agencyEntityAtomic Weapons EstablishmentEntityMattressEntityDefence Science and Technology LaboratoryEntityAustraliaCountryLondonCityWorld War IIConceptWorld War IConceptgeographic coordinate systemEntityInternational Standard Book NumberEntitynuclear weaponEntitymachine gunEntityWayback MachineEntityGulf WarEventThe GuardianEntityInternational Standard Serial NumberEntityKentEntityscoutingEntityCategories1897 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