As I understand it that was on the cards anyway. But if Trump wants to think it's down to him, no harm done.
I was hearing that the reason it wasn't previously a top priority is that behind the scenes there is a move to transfer control of defence spending from the MoD to the treasury.
St. Kemi is a bright young thing, and presumably has no understanding of the fact that even within my own lifetime, the UK has shown it's own brand of USAphobia. If her Big Idea is to scoop up voters who and in thrall to the US, she may be disappointed.