there was also a number of 105mm Centurions used in the AVRE roll seen frequently with an FV2721 trailer 7.5 ton centurion AVRE. with systems like Giant viper,fascines and trackway
the Minator does make sense. really like the concepts expressed. do wonder if some single 40mm or 20mm guns would have been retained for Police actions as a 3in or 6in is a bit over over kill for warning shot at a sampan