Impressed by his military credentials...but something funny happens when joining the State Dep't. National interests get supplanted by a love for international law, Blame America First, and the desire to be loved by the MSM.
I'm not sure it's just his State Dept ties, although not knowing the man it well could be in his case. I've heard similar sentiments from other military officers. Not public, certainly, and not strident, but 'no confidence' all the same. There is not a lot of love for the SecDef and his court.