What you suggest is that trade doesn't depend on capbadge?Agreed
This is the sticking point. The majority of people join and serve in the Army for very short periods of time. and during that time move through ranks and roles with amazing frequency.
Recce is currently carried out by a certain group simply move that group, it's people and equipment into another formation and carry on.
This of course would mean reductions, leaving the ex RAC units at about 4 and logic dictates they in turn could be amalgamated with those totally useless light infantry units. Of course the 2 CR3 units would be stand alone perhaps both RTR under D Inf..
Every skill in the Army is transferrable up to the more technical trades.