So I tried the ‘all groups’ approach:
https://vimeo.com/223226894
Password: groups
Center Channel audio:
https://mega.nz/#!KFVgnaKD!iKfRqU5IwSOdR8t5jj6QNk4_X-fkVbntWxTItliE81c
Final audio:
https://mega.nz/#!SAsxgRRQ!zB-HmMR9odtIccBmJPjqwDqZWyhIw1HnPPgZCcedg4g
It is more understandable, but there’s a lot of engine noise in the background that I wasn’t able to filter out completely.
The combination of ‘all’ and ‘fighters’ doesn’t work at all.