the litmus test this go around seems to be "loyalty to trump and willingness to do as trump says", so i honestly don't know. unfortunately the dod is a behemoth and really requires someone who understands both leadership of people (to deal with generals and soldiers) and also bureaucracy, because a lot of the bad policy in the dod is extremely easy to fix if and only if you understand the policy system they have. for example, ignore the "strategy" documents, and focus on the dod instructions which can generally be changed with the stroke of a pen. mattis, for instance, was extremely effective at both. unfortunately he was not loyal to trump so this was largely wasted.
Egypt