Looks like the requirement was for a heavily protected defence orientated tank, employing ambush tactics (similar in a number of respects to the S-Tank), for use by the British Army On the Rhine (BAOR). IIRC, default NATO strategy in the event...
ORIGINAL CAPTION: The CarbSAR concept could fly as a demonstration in 2021
From earlier this year:
On page 241 of "The Decline of British Seapower" by Desmond Wettern, the
then Minister of Aviation (Julian Amery) told a Business Dinner on 9 September 1964
that the Government were considering building an ocean-going "hovership" for the
RN. His Ministry and the MOD would make preliminary...