I think them having that history would be interesting dynamic now that she is a handler. He could be a little antagonistic not always wanting to listen but mutual respect in a sense.
I am definitely going to get some of his history sorted so I can have him apped for the next set of adds. I definitely want him to have 10 years or so military. I'm thinking he did secret ops things in his time as well. He was not always the brains but definitely no dummy.