Bismark
By QCS I assume you are referring to 63 Sqn RAF Regt who have just returned from Op HERRICK.
QCS (63 Sqn RAF Regt) deploy on Ops like every other Regt Field Sqn. Like every other RAF Regt Sqn the harmony targets appear to be a distant aspiration. The only difference is that QCS do all the Smart Blue stuff in between dets. (Cermonial duties are covered by another RAF Regt Field Sqn (also on the Op cycle) when QCS are deployed).
So good call then - let's cut a unit that regularly deploys on Ops