The Claws of Axos standard. The story includes interior scenes inside the TARDIS for the first time in the Pertwee era of the show. The configuration of the TARDIS set-up is unique for this adventure. The TARDIS monitor appears to be a circular screen embedded in one of the 'roundels' in the console room wall, rather than the traditional rectangular screen (this feature is seen again once, a year later, on the unique set built for "The Time Monster"). The doors of the console room do not open directly into the exterior as in all other adventures; instead they open into a corridor that
Royal Air Force roundels in the nuclear strike role had a pale pink and blue flash, the same shades as the roundels, to reflect some of the thermal radiation from a nuclear explosion. The Royal Navy and Army do not use the fin flash but have the words "ROYAL NAVY" or "ARMY" on the rear fuselage or fin instead. An exception to this was the Harrier GR7s and GR9s of the Naval Strike Wing, which carried similar markings to RAF Harriers. The fin flash can be rectangular, slanted or tapered, depending on aircraft type. In a situation similar to that of the roundels, the