16 blades
This has been covered recently in other threads which are probably still live in PPRUNE (sorry technophobe who doesnlt know how to link, any advice from those who know welcome!)but, gist of which is as follows;
Probably not staying for the Light Blue due to redunancies, but almost certainly remaining for the Dark Blue and AAC and possibly being increased for certain elements as both the FAA and AAC are desperately short in key areas. Rumours are of a doubling for the FAA Observers, we shall wait and see!!
I'm keeping everything crossed as have <3 years to the second installment and would dearly love to clear the mortgage!!
DB