 They were in continuous use by the AFS, until disbandment in 1968 by the Harold Wilson Government.The Green Goddess machines were not primarily fire engines (AFS members referred to them as 'appliances'); they are more correctly titled "self propelled pumps", with some being two-wheel drive (4x2), and others in four-wheel drive (4x4) form.Their main role was to pump huge quantities of water from lakes, rivers, canals and other sources into cities hit by a nuclear attack.