Getting confused by the number of generals

I'm starting to lose track of the reputation of the Generals Trump has appointed around him.

I thought initially that Kelly was the thoughtful, monk like one - but no, that is Mattis.  McMaster has apparently been shouted at by Trump, but apparently convinced him to stick to the Iran deal.  So maybe he's OK?

But Kelly - well, he apparently doesn't doubt intelligence on Russian meddling, and was critical of the Trump firing of Comey, but on the other hand has been using Trumpian style fear rhetoric about immigrants.

I have my doubts he is going to last, somehow...