The word "elevon" is a portmanteau of elevator and aileron. On 18 November "Endeavour" experienced a failure of a transducer on the elevon hydraulic actuator. Dalton Maag's library of typefaces include Lexia, Aktiv Grotesk, Magpie and Elevon. Aktiv Grotesk, Co, Dedica, Elevon, InterFace, Plume, Royalty, Stroudley and Viato. Elevon control surfaces were also fitted on the wing trailing edge. Elevon was originally created for the Virgin Galactic spaceflight programme. Elevon is an unincorporated community in Caroline County, in the U.S. state of Virginia.