Choppa, interested to know what was deemed unnecessary that the other 53 had done.
I know where I was they went down to 15 or so from 90. One reason was that the guys that drove the vehicles serviced the vehicles, dug them out when required, painted them, brought their own lunch to work, washed up, cleaned the place, washed the yard, used a local GP etc etc.
We still needed a visit by a radar tech, met techs, works and bricks types, barrack stores types etc but not education or fitness chappies. Mind you none of those would have been in your 53 anyway.