Whilst to an extent crippling defence costs could be cut this would not necessarily lead to a reduction in the size of defence available .
Whilst , to an extent , crippling defence costs could be cut , this would not necessarily lead to a reduction in the size of defence available .
Whilst , to an extent , crippling defence costs could be cut , this would not necessarily lead to a reduction in the size of defence available .
Remove grammatical mistakes: Whilst to an extent crippling defence costs could be cut this would not necessarily lead to a reduction in the size of defence available . Output: