In the CGI series Gerry Anderson's New Captain Scarlet (2005), Cloudbase is replaced by Skybase.
The lack of an SOS call from the aircraft indicated that it had crashed into the sea whilst attempting to fly below the low cloudbase.
"Attack on Cloudbase" is the 31st episode of the 1960s Supermarionation television series Captain Scarlet and the Mysterons.
Changes to the material from "Attack on Cloudbase" were widely criticised: following the destruction of Cloudbase from the 1968 episode, the Mysterons use their powers to reverse time, leaving Cloudbase intact and stating that on this occasion they will spare the human race in a voice-over accompanied by the image of a CGI pyramid.
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A later assault on Cloudbase results in the total destruction of the Spectrum headquarters, but the Mysterons use their extraordinary abilities to rewind time, leaving the base intact ("Attack on Cloudbase").