Mandatory Credit: Photo by Hugh W. Cowin / Rex Features RAF Vickers - Armstrong Supermarine Spitfire LF XVI, a derivative of the LF IXE, with increased fuel tankage and powered by a Packard built Merlin 266 engine. Here in its post - war overall silver finish, operated by Central Gunnery School, Flying Training Command SUPERMARINE SPITFIRE - 1930S - 1940S AIRCRAFT 574590o