I have recently scanned some Super8 cine film taken by my father, the late Lt Cdr Millican, of Brave Borderer and Brave Swordsman.
I thought people might like to see them:-
https://youtu.be/87fhkj0WoNs
https://youtu.be/4xGcfDRhkg0
I also have some footage of the Dark Class boats, but still working on these.