They frequently get all their research wrong, and I am sure I will find out where they got it wrong on this one as well.
First, they are wrong to say 19,000 because it is currently at 11,000. We are talking about an 8,000 difference. However the difference will be in terms of a more efficient training system, not in terms of any fewer patrols to ensure the security of the country. That will continue to be maintained.